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Jewelry

Jewelry

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De Zwaan Amsterdam

+31 20 622 0447 info@dezwaan.nl

Keizersgracht 474 1017 EG, Amsterdam

681 results

A pair of matching Italian diamond and coral earri

501 - A pair of matching Italian diamond and coral earrings and a ring. The ring is set with an oval cabochon-cut coral measuring approximately 20 x 14 mm, flanked on both sides by a row of small brilliant-cut diamonds. The earrings are set with a round cabochon-cut coral measuring ø 16.2 mm, with a row of brilliant-cut diamonds below. Total diamond weight: approx. 0.18 ct. Marked with the Dutch import mark for 18k gold (36.5 g), ring size 18¼ (57) [3]

Estimation

€1,600 - 2,000

A ruby bangle with a textured surface; the front i

502 - A ruby bangle with a textured surface; the front is open, with five flowers in between. Each flower is set with a small round faceted ruby; marked with a Dutch import mark for 18 k. gold, 22.1 g; inner dimensions 69 x 67 mm; width 8.2 mm [1]

Estimation

€1,800 - 2,200

A ruby necklace composed of rectangular links with

503 - A ruby necklace composed of rectangular links with a matte finish. The front features flower-shaped ornaments, each set with a small round faceted ruby, marked with a Dutch import mark for 14k gold, 22.7 g, length 40 cm [1]

Estimation

€2,000 - 2,400

A pair of ruby earrings, each consisting of a circ

504 - A pair of ruby earrings, each consisting of a circle with a round, faceted ruby set below it, marked with a Dutch import mark for 18-karat gold, 9.4 g, 54 x 22.3 mm [2]

Estimation

€800 - 1,000

A single-strand coral necklace, consisting of barr

505 - A single-strand coral necklace, consisting of barrel-shaped beads (approx. ø 9 mm), with a gilded silver ball clasp; 68.3 g, length 55 cm [1]

Estimation

€300 - 500

A pearl necklace and earrings made of blue-dyed ma

506 - A pearl necklace and earrings made of blue-dyed mabé pearls, decreasing in size from the center (15–12.2 mm), connected by wave-shaped links. The matching earrings, in a solitaire design, are marked with the Dutch import mark for 20 k. gold; total weight 60.0 g; length 42–47 cm; earrings ø 13.9 mm [3]

Estimation

€600 - 800

A pair of oval hoop earrings with a matte finish,

507 - A pair of oval hoop earrings with a matte finish, marked with a Dutch import mark for 14k gold, 9.5 g, 76 x 27 x 4.5 mm [2]

Estimation

€600 - 800

A diamond gypsy ring set with a brilliant-cut diam

508 - A diamond gypsy ring set with a brilliant-cut diamond of approximately 0.90 ct, made of gold with a purity below the legal standard (560/000), 7.5 g, size 19½ (61) [1]

Estimation

€600 - 800

A gold bar brooch. Minimalist design, featuring th

509 - A gold bar brooch. Minimalist design, featuring three openwork squares marked with the Dutch hallmark for 14k gold, 1906–1953, 3.9 g, 5.6 x 40.1 mm [1]

Estimation

€260 - 360

Four gemstone pendants with interchangeable bails.

510 - Four gemstone pendants with interchangeable bails. Two set with citrine—one oval faceted (24.9 x 20.8 mm) and one emerald cut (22 x 20 mm)— one set with an emerald-cut morganite (23 x 17 mm) and one set with an emerald-cut kunzite (20 x 17.2 mm, marked with the Dutch import mark for 14k gold; total weight 53.4 g [4])

Estimation

€600 - 800

A pair of Art Deco cufflinks.Set with a small pear

511 - A pair of Art Deco cufflinks.Set with a small pearl in the center, against a guilloche enameled translucent background with a black enameled and white gold border. Herewith a pair of pearl collar buttons one pearl missing 18 k. rose gold (cufflinks), 14 k. rose gold (collar buttons) 12.7 g, ⌀ 13 mm [2].

Estimation

€600 - 800

A triangular diamond brooch. Composed of three int

512 - A triangular diamond brooch. Composed of three intertwined arches with a matte finish, featuring three brilliant-cut diamonds in the center, weighing approximately 0.20 ct. Marked with the Dutch import mark for 14 k. gold, 11.7 g, 29.5 x 30.9 mm [1]

Estimation

€700 - 900

A pair of hematite earrings and a ring. In a teard

513 - A pair of hematite earrings and a ring. In a teardrop-shaped openwork design, each set with a spherical hematite (ø 8–8.5 mm); the ring is marked with the Dutch import mark for 20 k. gold, and the earrings are 18 k. gold; total weight 30.3 g, ring size 16 (51) [1]

Estimation

€2,000 - 2,200

A garnet bracelet composed of engraved oval and ro

514 - A garnet bracelet composed of engraved oval and rounded ornaments. Each oval ornament is set with an oval rose-cut garnet measuring approximately 12 x 9 mm, marked with the Dutch hallmark for 14k gold, 1953–present; 16.3 g, length 17.5 cm, width 15.5 mm [1]

Estimation

€900 - 1,100

Two granulated pearl rings decorated with triangle

515 - Two granulated pearl rings decorated with triangles and diamonds. Each set with a white cultured pearl measuring 7 mm in diameter, marked with the Dutch import mark for 14k gold, 15.5 g, sizes 18½ (58) & 18¾ (59) [2]

Estimation

€900 - 1,100

An emerald and diamond bracelet and ring. The brac

516 - An emerald and diamond bracelet and ring. The bracelet consists of rectangular, brick-shaped links, the front of which is set with five oval faceted emeralds (4.5 x 3.5 mm) with small single-cut diamonds in between. The ring features a crossover design, set with an oval faceted emerald (7 x 5.5 mm) and five brilliant-cut diamonds, weighing approx. 0.16 ct. total. The emerald shows signs of wear on its facets and is marked with the Dutch import mark for 18 k. gold. Total weight: 14.2 g; ring size

Estimation

€900 - 1,100

An emerald and diamond three-stone ring set with t

517 - An emerald and diamond three-stone ring set with two round-faceted emeralds (approx. ø 3.5 mm) and a brilliant-cut diamond of approx. 0.17 ct. in between; one emerald is chipped and marked with the Dutch hallmark for 14k gold; 1953–present [1]

Estimation

€300 - 500

A diamond "toi et moi" ring set with rose-cut diam

518 - A diamond "toi et moi" ring set with rose-cut diamonds measuring approximately ø 4.7 and 5 mm, marked with the Dutch import mark for 14k gold, 2.9 g, size 18¾ (59) [1]

Estimation

€300 - 500

An aquamarine and diamond ring and brooch. The rin

519 - An aquamarine and diamond ring and brooch. The ring is set with a round, faceted pale blue aquamarine (ø 8.1 mm) surrounded by six small single-cut diamonds. The brooch, featuring an openwork design, is set with an oval faceted aquamarine (11 x 6 mm) and small rose-cut diamonds. The ring is marked with the French hallmark, “tête d’aigle,” for 18-karat gold; the brooch is made of gold and base metal, with a total weight of 9.3 g; ring size 16½ (52) [2]

Estimation

€300 - 500

A seven-stone diamond ring set with seven brillian

520 - A seven-stone diamond ring set with seven brilliant-cut diamonds weighing approximately 2.10 ct. in total, marked with the Dutch import mark for 14 k. gold, 3.0 g, size 17¼ (54) [1]

Estimation

€400 - 600

A five-stone diamond ring. The top features an ope

521 - A five-stone diamond ring. The top features an openwork gallery with curl decoration on the side, set with brilliant-cut diamonds weighing approximately 0.30 ct. Marked with the Dutch import mark for 18 k. gold, 2.6 g, size 16½ (52) [1]

Estimation

€200 - 400

A gold solitaire ring set with a round faceted ame

522 - A gold solitaire ring set with a round faceted amethyst measuring 17.4 mm in diameter, marked with the Dutch import mark for 14k gold, weighing 8.4 g, size 20 (63) [1]

Estimation

€200 - 400

A diamond and sapphire target ring set with a bril

523 - A diamond and sapphire target ring set with a brilliant-cut diamond of approximately 0.17 ct. in the center, surrounded by a double entourage of calibrated blue sapphires and small brilliant-cut diamonds. Total diamond weight approx. 0.30 ct. Marked with the Dutch import mark for 14k gold, 3.7 g, size 21¾ (28) [1]

Estimation

€300 - 500

A pearl and diamond "toi et moi" ring. Set with a

524 - A pearl and diamond "toi et moi" ring. Set with a black (dyed) and white cultured pearl (approx. ø 9 mm), with a curved band in between set with brilliant-cut diamonds that decrease in size from the center. Total diamond weight approx. 0.80 ct. Marked with the Dutch import mark for 18k gold, 7.1 g, size 17¼ (52) [1]

Estimation

€300 - 500

A diamond eternity ring set with brilliant-cut dia

525 - A diamond eternity ring set with brilliant-cut diamonds weighing approximately 1.10 ct. in total, marked with the Dutch import mark for 14 k. gold, platinum 900/000, 3.4 g, size 16½ (51) [1]

Estimation

€300 - 500

A sapphire and diamond ring set with two pear-cut

526 - A sapphire and diamond ring set with two pear-cut dark blue sapphires (approx. 5 x 3.2 mm) and two small single-cut diamonds; marked on the top with the Dutch import mark for 18k gold, 4.7 g, size 17¼ (54) [1]

Estimation

€400 - 600

A stylized snake ring with a ribbed surface that w

527 - A stylized snake ring with a ribbed surface that widens toward an oval faceted aquamarine measuring approximately 8 x 6 mm, weighing 5.3 g, size 19 (60) [1]

Estimation

€400 - 600

A citrine pendant and pair of earrings. The pendan

528 - A citrine pendant and pair of earrings. The pendant is set with a briolette-cut citrine measuring approximately 38 x 26.4 x 13.7 mm. The top and bail are designed as intertwined leaves, one in white gold, set with small brilliant-cut diamonds. Each earring is set with a briolette-cut citrine measuring approximately 22 x 10 mm, with small brilliant-cut diamonds above. Total diamond weight: approx. 0.30 ct. The earrings are marked with the Dutch import mark for 14k gold; the pendant is marked belo

Estimation

€500 - 700

A pair of hoop earrings, each set with a round, fa

529 - A pair of hoop earrings, each set with a round, faceted purple glass stone, marked with a Dutch import mark for 14k gold, 6.9 g, ø 31.2 x 4.5 mm [2]

Estimation

€400 - 600

A pair of Italian hoop earrings marked with a Dutc

530 - A pair of Italian hoop earrings marked with a Dutch import mark for 18k gold, 2.8 g, 14.6, 5.5 mm [2]

Estimation

€260 - 360

A cross pendant set with a rectangular, faceted li

531 - A cross pendant set with a rectangular, faceted light blue aquamarine, marked with a Dutch import mark for 14k gold, 1.5 g, 27.6 x 14.1 mm [1]

Estimation

€100 - 200

A modern-style kunzite ring with a matte finish, a

532 - A modern-style kunzite ring with a matte finish, asymmetrically set with a triangular faceted kunzite stone (approx. 16.8 x 19.4 mm), marked with the Dutch import mark for 925/000 silver, 56.3 g, size 18½ (60) [1]

Estimation

€100 - 200

A gold solitaire ring set with an emerald-cut kunz

533 - A gold solitaire ring set with an emerald-cut kunzite (17 x 15.1 mm), marked with a Dutch import mark for 14k gold, 9.7 g, size 18¾ (58) [1]

Estimation

€200 - 400

A pair of tiger's eye earrings. Composed of a roun

534 - A pair of tiger's eye earrings. Composed of a round cabochon-cut tiger's eye set in a bezel, with an elongated drop-shaped tiger's eye below it, marked with a Dutch import mark for 14k gold; 10.7 g, 12 x 51.5 mm [2]

Estimation

€100 - 200

A diamond pinky ring. The braided band is set with

535 - A diamond pinky ring. The braided band is set with small single-cut diamonds weighing approximately 0.60 ct. Marked with the Dutch import mark for 18 k. gold, 6.2 g, size 14 (44) [1]

Estimation

€300 - 500

A two-tone gold 1960s flower brooch with textured

536 - A two-tone gold 1960s flower brooch with textured openwork petals. Set in the center with white cultured pearls and small brilliant-cut diamonds; marked with a Dutch import mark for 14k gold, 6.9 g, 38.8 x 44 mm [1]

Estimation

€400 - 600

A pair of earrings and a ring, all made of gold wi

537 - A pair of earrings and a ring, all made of gold wire. Each earring is set with three small brilliant-cut diamonds. Total diamond weight: approx. 0.30 ct. The ring is set with small round faceted emeralds and sapphires; one sapphire is missing. The earrings are marked with the Dutch import mark for 14k gold and marked with the Dutch import mark for 18k gold; total weight 14.7 g; ring size 18½ (58) [3]

Estimation

€900 - 1,100

A malachite ring and pendant. The ring is set with

538 - A malachite ring and pendant. The ring is set with an oval, flat malachite measuring 24.6 x 15 mm, with openwork shoulders, the pendant is teardrop-shaped, set with a cabochon-cut oval malachite measuring 18 x 13 mm, marked with the Dutch import mark for 14k gold; total weight 16.2 g; ring size 19 [2]

Estimation

€700 - 900

An amethyst ring and a pair of earrings. The ring

539 - An amethyst ring and a pair of earrings. The ring is set with an oval faceted amethyst (18.6 x 13.8 mm); the basket-shaped setting and shoulders are set with small brilliant-cut diamonds. The earrings consist of an oval cabochon-cut amethyst (11 x 9 mm) with a small brilliant-cut diamond above it and a briolette-cut amethyst dangling freely below; the ring is marked with the Dutch import mark for 14k gold, 925/000 silver, earring below: legal gold alloy 524/000, total weight 18.9 g, ring size 17

Estimation

€400 - 600

A small diamond pendant by Artur Scholl.In a circu

540 - A small diamond pendant by Artur Scholl.In a circular design, set with small brilliant cut diamonds with a total weight of approx. 0.10 ct. 0.9 g, ⌀ 11.8 mm, w. 1.8 mm [1]

Estimation

€100 - 140

A stylistic amber ring.Set with an oval pressed am

541 - A stylistic amber ring.Set with an oval pressed amber of 22 x 16 mm 14 k. yellow gold 10.4 g, size 17¼ [1].

Estimation

€160 - 260

A diamond ring,the top with an asymmetrical design

542 - A diamond ring,the top with an asymmetrical design set with brilliant cut diamonds weighing approx. 0.50 ct. in total. 14 k. yellow gold 4.9 g, size 19½ [1]

Estimation

€300 - 500

Three rings: One ring set with a simulated diamond

543 - Three rings: One ring set with a simulated diamond, one signet ring with bloodstone, and one ring set with simulated turquoise; two men’s rings marked with the Dutch hallmark for 14k gold; the blue ring is below the legal gold alloy standard of 426/000; total weight 16.7 g [3]

Estimation

€500 - 700

Two diamond rings: One gold concave ring set with

544 - Two diamond rings: One gold concave ring set with five small brilliant-cut diamonds, weighing approximately 0.10 ct. in total, in the center. The other ring is made of platinum, with a design of squares all around, each set with four small brilliant-cut diamonds, weighing approximately 0.64 ct in total; one diamond is loose but present, marked with the Dutch import mark for 14 k. gold; total weight 22.2 g; ring sizes 17¼ (54) & 17¾ (56) [2]

Estimation

€500 - 700

A pair of diamond earrings, each consisting of a c

545 - A pair of diamond earrings, each consisting of a cluster of ten brilliant-cut diamonds flanked by an arc. Total diamond weight: approx. 0.90 ct. Marked with the Dutch import mark for 14k gold, 6.4 g, 16.8 x 12 mm [2]

Estimation

€500 - 700

A diamond ring and an Art Deco bar brooch. The clu

546 - A diamond ring and an Art Deco bar brooch. The cluster ring is set with old brilliant-cut diamonds; the brooch is set with a navette-shaped onyx featuring an old brilliant-cut diamond of approximately 0.25 ct. in a millegrain setting; one diamond is missing in the center; marked with the Dutch hallmark for 14 k. gold; total weight 7.7 g [2]

Estimation

€500 - 700

A rose-cut diamond necklace and bar brooch. The fr

547 - A rose-cut diamond necklace and bar brooch. The front of the necklace consists of openwork links with a flower in the center, ending in a teardrop-shaped pendant with a pear-shaped rose-cut diamond dangling freely (approx. 5.8 x 4.6 mm), on a fine cable-link necklace. The bar brooch features a diamond-shaped front with curl motifs and is marked with the Dutch “I” mark; the necklace is marked with the Dutch import mark for 14k gold. Total weight: 16.3 g; necklace length: 40 cm [2]

Estimation

€300 - 500

A mid-century lapis lazuli brooch and necklace. Th

548 - A mid-century lapis lazuli brooch and necklace. The retro brooch, crafted in red and yellow gold, is set with an oval cabochon-cut lapis lazuli (28.5 x 22 mm). The necklace consists of open, figure-8-shaped links with four lapis lazuli beads at the front; the color-enhanced brooch is marked with the Dutch hallmark for 14k gold (1906–1953), the necklace is marked with a Dutch import mark for 18k gold; total weight 21.3 g; brooch 41.7 x 37.4 mm; necklace length 41 cm [2]

Estimation

€600 - 800

A ruby cocktail ring set with small round faceted

549 - A ruby cocktail ring set with small round faceted rubies, marked 925/000 silver, 4.8 g, size 19 (59) [1]

Estimation

€80 - 120

A single gem-set button. The top is set with two h

550 - A single gem-set button. The top is set with two half-spheres of lapis lazuli, with a row of old brilliant-cut diamonds in between. Total diamond weight: approx. 0.25 ct. Marked with the Dutch import mark for 18 k. gold, 2.6 g, ø 14.8 mm [1]

Estimation

€160 - 260

A moonstone and sapphire pendant set with an oval

551 - A moonstone and sapphire pendant set with an oval cabochon-cut gray moonstone (approx. 13 x 9.3 mm), surrounded by small round-faceted deep blue sapphires. Included is a fine silver cable-link necklace; several sapphires are loose but all are present. The necklace is made of a gold alloy below the legal standard. The silver pendant weighs 2.5 g and measures 19.5 x 14.5 mm [2]

Estimation

€100 - 200

A 19th-century coral brooch. The oval cluster top

552 - A 19th-century coral brooch. The oval cluster top is set with oval and round bouton corals. At the bottom, bouton corals dangle loosely from a legal gold alloy 512/000, 20.0 g of silver, 34.4 x 54.3 mm [1]

Estimation

€100 - 200

A pair of diamond and pearl stud earrings. Shaped

553 - A pair of diamond and pearl stud earrings. Shaped like a flower, with a cultured white pearl set in the center and small single-cut diamonds set in the petals. 14K white gold, 2.6 g, ⌀ 8.5 mm [2]

Estimation

€100 - 200

Two pairs of diamond earrings: one pair in the sha

554 - Two pairs of diamond earrings: one pair in the shape of a star, each set with a small single-cut diamond, and the other pair round, each set with a small brilliant-cut diamond, marked with the Dutch import mark for 14k gold; total weight 5.4 g [4]

Estimation

€300 - 500

A diamond ring and bar brooch: The solitaire ring

555 - A diamond ring and bar brooch: The solitaire ring is set with an old brilliant-cut diamond weighing approximately 0.20 ct.; the bar brooch features an openwork center set with four old brilliant-cut diamonds and small rose-cut diamonds weighing approximately 0.38 ct. in total. The brooch is marked with a Dutch import mark for 14k gold, platinum 850/000; the ring is below the legal gold alloy standard at 552/000, weighing 4.8 g, ring size 15¾ (50), brooch width 52.3 mm [2]

Estimation

€300 - 500

A pair of amethyst and pearl earrings and a brooch

556 - A pair of amethyst and pearl earrings and a brooch. The earrings consist of four white pearls with a briolette-cut amethyst below each. The 19th-century brooch is set with an oval faceted amethyst in a closed-back setting, surrounded by split pearls. The earrings are marked with the Dutch import mark for 18-karat gold; the brooch is made of gold and base metal and weighs 15.0 g; earrings 50 mm, brooch 22.6 x 28.3 mm [3]

Estimation

€300 - 500

A rose-cut diamond brooch and pendant—the brooch c

557 - A rose-cut diamond brooch and pendant—the brooch consists of two circles with a rosette in the center; the pendant features an upper section composed of an openwork ornament with flowers, with a drop below it bearing the Dutch import mark for 14k gold; total weight of silver: 18.5 g [2]

Estimation

€200 - 400

Two 19th-century gold lockets: one featuring a lau

558 - Two 19th-century gold lockets: one featuring a laurel wreath and set with an oval, faceted, light purple amethyst (8 x 6 mm), the interior containing two photographs of gentlemen; the other, a mourning locket with a black enamel decoration of ivy and set with small split pearls. The interior features a portrait of a gentleman and braided hair, marked with the Dutch import mark for 14k gold; the enamel locket below is marked with the legal gold alloy 547/000; total weight 16.7 g; the largest lock

Estimation

€500 - 700

A modern ruby ring. The shank is made of blackened

559 - A modern ruby ring. The shank is made of blackened silver with a yellow gold bezel setting holding a sugarloaf-cut ruby, marked with a Dutch import mark for 20 k. gold and 925/000 silver, 16.0 g, size 19½ (62) [1]

Estimation

€200 - 400

A gem set flower brooch.Also a pendant. In an open

560 - A gem set flower brooch.Also a pendant. In an openwork design set with blue sapphire, emerald and small brilliant cut diamonds. The center stone ⌀ 5 mm. 14 k. white gold 7.2 g, ⌀ 36 mm [1].

Estimation

€400 - 600

A gold signet ring featuring a crowned shield with

561 - A gold signet ring featuring a crowned shield with a Dutch lion, a caduceus, and the text “Dispereert niet” (Do not despair). Maker’s mark illegible. The inside is engraved and marked with the Dutch import mark for 14k gold, 9.8 g, size 20 (63) [1]

Estimation

€600 - 800

A matching necklace and bracelet. The bracelet and

562 - A matching necklace and bracelet. The bracelet and the front of the necklace consist of rectangular links with imitation diamonds in between. The two sides of the necklace consist of flat curb links. Marked with the Dutch import mark for 14k gold, 16.4 g, lengths 40 and 18 cm [2]

Estimation

€1,000 - 1,200

A pair of gem-set earrings with a matching ring. E

563 - A pair of gem-set earrings with a matching ring. Each piece features two spherical, faceted green gemstones in a ribbon design set with imitation diamonds; one small stone is missing. Marked with a Dutch import mark for 14k gold. Total weight: 14.9 g; ring size: 19¼ (60) [3]

Estimation

€800 - 1,000

Two pairs of granulated pearl earrings. Both pairs

564 - Two pairs of granulated pearl earrings. Both pairs feature a cultured white pearl in the center, surrounded by a pattern of triangles, and bear the Dutch import mark for 14k gold. Total weight: 10.6 g [4]

Estimation

€600 - 800

Two pairs of granulated pearl rings—one with a spi

565 - Two pairs of granulated pearl rings—one with a spiral design, the other with a leaf design. Both feature a white cultured pearl in the center and are marked with the Dutch import mark for 14k gold, 13.3 g, sizes 17½ (55) & 18¾ (59) [2]

Estimation

€700 - 900

Two rings and a pair of earrings: One ring feature

566 - Two rings and a pair of earrings: One ring features an openwork design decorated with curls; the front is adorned with a rosette set with a cabochon-cut ruby and imitation diamonds; the other is a seven-stone ring set with imitation diamonds. The earrings, set with paste, are marked with the Dutch import mark for 14k gold; total weight 12.6 g [4]

Estimation

€500 - 700

A diamond ring and bar brooch in a modernist desig

567 - A diamond ring and bar brooch in a modernist design. The ring features an asymmetrical top set with a simulated diamond. The brooch consists of two tapered bars in yellow and red gold, each set with a small single-cut diamond and marked with the Dutch import mark for 14k gold; total weight 7.8 g [2]

Estimation

€500 - 700

Two pairs of earrings: One pair set with a white d

568 - Two pairs of earrings: One pair set with a white drop-shaped freshwater pearl, topped by a bow set with brilliant-cut diamonds weighing approximately 0.40 ct. in total. The other pair features a drop-shaped synthetic opal with small single-cut diamonds above; the pearl earrings are marked with the Dutch import mark for 18k gold, while the opal earrings are marked with the legal gold alloy mark, 374/000, with a total weight of 9.6 g [4]

Estimation

€200 - 400

A pearl necklace and a pair of earrings, made of f

569 - A pearl necklace and a pair of earrings, made of freshwater baroque pearls in shades ranging from white to pink. Each earring features three small brilliant-cut diamonds above the pearl and is marked with the Dutch import mark for 14 k. gold; total weight 123.0 g, length 49 cm [3]

Estimation

€200 - 400

A pearl and diamond ring and bar brooch. The clust

570 - A pearl and diamond ring and bar brooch. The cluster ring is set with a white cultured pearl surrounded by old brilliant-cut diamonds; the shoulders are set with small rose-cut diamonds. Total diamond weight: approx. 0.45 ct. The brooch is set with what is presumed to be a natural bouton pearl, flanked on either side by one old brilliant-cut diamond and two small rose-cut diamonds; one stone is missing, but the brooch is present and marked with the Dutch import mark for 14 k. gold, platinum 900/

Estimation

€400 - 600

A diamond cluster ring and a pair of earrings. The

571 - A diamond cluster ring and a pair of earrings. The ring is set with seven brilliant-cut diamonds, weighing approximately 0.50 ct. The earrings consist of two arches set with small single-cut diamonds; they are marked with the Dutch import mark for 14k gold, with a total weight of 5.0 g; ring size 18 (56) [3]

Estimation

€400 - 600

A solitaire diamond ring and earrings. The ring ha

572 - A solitaire diamond ring and earrings. The ring has a matte finish and is set with a small brilliant-cut diamond of approximately 0.07 ct. Each earring is set with a brilliant-cut diamond of approximately 0.10 ct. The diamond in the ring is loose but present and marked with the Dutch import mark for 14k gold. Total weight: 6.2 g; ring size: 17¼ (54) [3]

Estimation

€300 - 500

A diamond and sapphire eternity ring, alternately

573 - A diamond and sapphire eternity ring, alternately set with round-faceted dark blue sapphires (ø3.5 mm) and brilliant-cut diamonds, weighing approx. 1.20 ct. in total; faceted sapphires worn, one sapphire missing; marked with the Dutch import mark for 18 k. gold, 3.0 g, size 17½ (55) [1]

Estimation

€300 - 400

Three brooches: One 19th-century openwork silver b

574 - Three brooches: One 19th-century openwork silver brooch set with rose-cut diamonds, maker’s mark J. van Wijk, Amsterdam, 1829 - 1863, one silver pietra dura brooch featuring a bouquet of flowers and a silver brooch depicting a Chilong dragon, with gold details and set with rubies and white sapphires; the dragon brooch below is made of legal gold alloy 326/000; total silver weight 36.3 g [3]

Estimation

€200 - 400

An Art Deco brooch and a 19th-century locket. The

575 - An Art Deco brooch and a 19th-century locket. The brooch is lozenge-shaped, with a row of small pearls in the center, flanked by a row of small rose-cut diamonds. The locket is decorated with black enamel and hangs from a fine curb-link necklace; the brooch is marked with the Austria-Hungary hallmark and the Dutch import mark for gold, and has passed the acid test for 14k gold; the necklace is marked with the Dutch hallmark for 14k gold (1906–1953), locket acid-tested as 14k gold, total weight

Estimation

€400 - 600

A hematite signet ring and a pair of cameo earring

576 - A hematite signet ring and a pair of cameo earrings. The ring features an intaglio of a Greek warrior, with the shoulders decorated with leaf motifs. The earrings feature a shell cameo with a profile portrait of a lady; the ring is marked with the Dutch import mark for 14k gold, while the earrings fall below the legal gold alloy standard of 532/000; total weight 9.6 g; ring size 20½ (65) [3]

Estimation

€400 - 600

Two gem-set rings from the 1970s. One is set with

577 - Two gem-set rings from the 1970s. One is set with a round cabochon-cut piece of glass imitating turquoise; the other is set with a flat square piece of malachite marked with a Dutch import mark for 14k gold, 10.1 g, sizes 19½ (61) & 19 (59) [2]

Estimation

€400 - 600

Three gem-set rings from the 1970s: two set with a

578 - Three gem-set rings from the 1970s: two set with a faceted citrine, one with a faceted amethyst. The ring with the round citrine bears the maker’s mark “P. Herruer, Rotterdam 1959–1999,” is marked with the Dutch hallmark for 14k gold, and is marked with the Dutch import hallmark for 14k gold; total weight 32.0 g, sizes 16½, 19½, and 18½ [3]

Estimation

€900 - 1,100

Two coral rings. Both set with a round cabochon-cu

579 - Two coral rings. Both set with a round cabochon-cut coral; one features a curl design, while the other is decorated with granulation. One ring is marked with a Dutch import mark for 14k gold; the other ring has a gold alloy below the legal standard of 562/000. Total weight: 16.8 g, sizes 18 (56) & 18½ (58) [2]

Estimation

€600 - 800

A heart-shaped diamond pendant. Set with brilliant

580 - A heart-shaped diamond pendant. Set with brilliant-cut diamonds with a total weight of approximately 1.00 ct. 18K white gold, 3.0 g, 21.5 x 18.3 mm [1]

Estimation

€300 - 500

Two diamond rings: One mid-century ring with a tou

581 - Two diamond rings: One mid-century ring with a tourbillon-shaped top, set with a small brilliant-cut diamond in the center and rose-cut diamonds in the arches. The other is a cluster ring with a flower-shaped top, set with rose-cut diamonds; the center stone is approx. ø 5.6 mm; multiple stones missing. The tourbillon ring is marked with the Dutch import mark for 18k gold; the other ring has a gold alloy below the legal standard (324/000). Total weight: 9.0 g; size 19½ (61) [2]

Estimation

€400 - 600

A pearl ring and earrings. The ring is set with a

582 - A pearl ring and earrings. The ring is set with a white button pearl, and the shoulders are set with small brilliant-cut diamonds weighing approximately 0.20 ct. The solitaire earrings are each set with a white cultured pearl measuring 7.5 mm in diameter; one stone is loose but present. The set is marked with the Dutch import mark for 14k gold. Total weight: 7.6 g; ring size: 17½ (55) [3]

Estimation

€300 - 500

Two pairs of pearl earrings: one featuring granula

583 - Two pairs of pearl earrings: one featuring granulation and set with a white cultured pearl, the other with blue-dyed mabé pearls bearing the Dutch import mark for 14k gold; total weight 9.1 g [4]

Estimation

€260 - 360

A gem set fantasy ring.With an asymmetrical top, s

584 - A gem set fantasy ring.With an asymmetrical top, set with an oval faceted dark blue sapphire, marquise cut emeralds and small single cut diamonds 14 k. yellow gold 6,2 g, size 18¼ [1]

Estimation

€400 - 600

Two rings and a pendant: One ring set with turquoi

585 - Two rings and a pendant: One ring set with turquoise and featuring openwork shoulders, one ring with a flower-shaped appliqué set with rose-cut diamonds, and a silver flower-shaped pendant set with rose-cut diamonds. The turquoise ring is marked with the Dutch import mark for 14 k. gold; the diamond ring is marked with the Dutch import mark for 18 k. gold; total weight of silver: 6.4 g; ring sizes: 15¼ (47) & 17½ (54) [3]

Estimation

€200 - 400

Two pairs of gem-set earrings and a brooch—one pai

586 - Two pairs of gem-set earrings and a brooch—one pair of 19th-century earrings set with purple glass and one pair set with lapis lazuli. The brooch, shaped like a mandolin, is set with a round faceted amethyst

Estimation

€400 - 600

Two rings and a pair of earrings: One ring with a

587 - Two rings and a pair of earrings: One ring with a braided top in red, white, and yellow gold; one ring set with a hexagonal smoky quartz; the earrings consist of three U-shaped ornaments and are marked with the Dutch import mark for 18-karat gold; one ring marked with the Dutch import mark for 14k gold; the smoky quartz ring has a gold alloy below the legal standard (513/000); total weight 8.7 g; ring sizes 18 (57) & 17½ (55) [4]

Estimation

€500 - 700

Two granulated rings: one set with an oval cabocho

588 - Two granulated rings: one set with an oval cabochon-cut moonstone (12.4 x 8.8 mm), the other set with an oval opal triplet marked with a Dutch import mark for 14k gold, 13.6 g, size 18 (56) [2]

Estimation

€600 - 800

A cluster ring and a pair of earrings, both set wi

589 - A cluster ring and a pair of earrings, both set with Bohemian garnet and marked with a Dutch import mark for 14k gold, 9.8 g, ring size 17½ (55) [3]

Estimation

€400 - 600

A coral necklace composed of cable links, alternat

590 - A coral necklace composed of cable links, alternating with groups of coral beads. Also included is a garnet bracelet with a gold box clasp set with a rose-cut garnet; the clasp is marked with the Dutch hallmark for 14k gold, 1953–present. The coral necklace is made of a legal gold alloy with a fineness of 571/000 and has a total weight of 33.9 g [2]

Estimation

€400 - 600

A collection of garnet and glass jewelry: One sing

591 - A collection of garnet and glass jewelry: One single-strand garnet necklace with a large openwork clasp, one two-strand garnet necklace with a box clasp, two three-strand bracelets with glass beads on a box clasp, a cluster ring set with garnet, and a pair of 19th-century “day and night” earrings with a garnet bead dangling below the clasps, marked with the Dutch hallmark for 14 k; total gold weight 234 g [zkj]

Estimation

€500 - 700

A pearl necklace and garnet bracelet: The single-s

592 - A pearl necklace and garnet bracelet: The single-strand necklace consists of black-dyed freshwater pearls on a fantasy spring clasp, the bracelet consists of three strands of faceted garnet beads on a gold box clasp set with garnet; the necklace is marked 585, and the bracelet is marked with the Dutch hallmark for 14k gold; total weight 128.7 g [2]

Estimation

€260 - 360

Two brooches: one in the shape of a circle, set wi

593 - Two brooches: one in the shape of a circle, set with pearl beads, the other oval, set with round faceted blue sapphires and white cultured pearls; the sapphire brooch is marked with the Dutch import mark for 18 k. gold, and the pearl brooch is marked with the Dutch import mark for 14 k. gold; total weight 10.4 g [2]

Estimation

€300 - 500

A coral ring and a pair of earrings. The ring is s

594 - A coral ring and a pair of earrings. The ring is set with an octagonal coral, and the bezel is decorated with granulation. The earrings are set with a round cabochon-cut coral; the bezel setting is set with white cultured pearls and decorated with curls. The back is engraved with “MW” and bears the Dutch import mark for 14k gold; total weight 17.4 g; ring size 16½ (52); earrings ø 20.5 mm [3]

Estimation

€300 - 500

Three pairs of earrings: one pair signed "Papillon

595 - Three pairs of earrings: one pair signed "Papillon," set with aquamarine, amethyst, and diamond; one pair set with oval faceted amethyst; and one 19th-century pair featuring a repoussé butterfly design, marked with a Dutch import mark for 18-karat gold, amethyst earrings below the legal gold alloy standard 340/000, total weight 8.8 g [6]

Estimation

€300 - 500

A cultured pearl necklace and pair of earrings. Th

596 - A cultured pearl necklace and pair of earrings. The pearls are approximately 6 mm in diameter, on a gold box clasp with a small pearl; the earrings are made of base metal with a screw mechanism; the pearls are approximately 8 mm in diameter; total weight 24.7 g; length 43 cm [2]

Estimation

€100 - 200

A cultured pearl necklace and pair of earrings. Th

597 - A cultured pearl necklace and pair of earrings. The pearls measure 5–5.5 mm in diameter and are set on a gold box clasp featuring four small single-cut diamonds and an octagonal faceted pink tourmaline. The earrings feature a screw clasp; the pearls are approximately 7.5 mm in diameter. The earrings are marked with the Dutch import mark for 14k gold, with a total weight of 37.4 and a length of 100 cm [2]

Estimation

€160 - 260

A batch of loose diamonds in various cuts, sizes,

598 - A batch of loose diamonds in various cuts, sizes, colors, and clarities. Total weight: 2.92 ct [zkj]

Estimation

€200 - 400

Various antique Dutch jewelry boxes by Bonebakker

599 - Various antique Dutch jewelry boxes by Bonebakker (Amsterdam), Steltman (The Hague), and Rüding (Groningen) [4]

Estimation

€60 - 120

Various antique Dutch jewelry boxes: Begeer, Kempe

600 - Various antique Dutch jewelry boxes: Begeer, Kempen & Vos, The Hague; Leeuw - Vermunt, Breda; Van Buitenen, The Hague; Schaap, The Hague; Simons, The Hague; W. Voet & Sons, Haarlem; and Herman Jedeloo, The Hague [unknown maker]

Estimation

€80 - 120

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