Precious stones

€900 - 1,000

Starting price

€6,000 - 8,000

Starting price

Starting price

Starting price

Starting price

Starting price

Starting price

Starting price

€28,000 - 40,000

€7,000 - 11,000

€25,000 - 30,000

€3,500 - 4,000

€2,000 - 2,500

€3,500 - 4,000

€3,500 - 6,000

€3,500 - 6,000

€1,700 - 3,000

€1,700 - 3,000

€2,000 - 3,000

€1,500 - 2,000

€3,200 - 5,000

€3,000 - 5,000

€2,800 - 4,000

€2,000 - 2,500

€4,500 - 5,000

€2,500 - 3,000

€2,500 - 4,000

€1,000 - 1,500

€800 - 1,200

€1,300 - 1,950

€10,000 - 11,000

€2,200 - 2,400

€7,400 - 7,600

€1,200 - 1,600

€2,000 - 4,000

€2,000 - 4,000

€2,000 - 4,000

€500 - 1,000

Starting price

Starting price

Starting price

Starting price

€3,000 - 5,000

€3,000 - 3,500

Starting price

€6,000 - 8,000

€700 - 1,200

€3,500 - 7,000

€7,000 - 14,000

Precious stones

Round

SANT'AGOSTINO AUCTION HOUSE

Round brilliant-cut diamond on paper weighing 2.07 ct.

An unmounted treated green pear-cut diamond, measuring approximately 10.5 x 6.4 x 2.9mm, weight 1.32ct (VAT charged on hammer price)

An unmounted treated green pear-cut diamond, measuring approximately 10.2 x 6.2 x 2.6mm, weight 1.14ct (VAT charged on hammer price)

An unmounted treated yellow-green marquise-cut diamond, measuring approximately 10.7 x 5.6 x 3.0mm, weight 1.21ct (VAT charged on hammer price)

Two unmounted treated black brilliant-cut diamonds, measuring approximately 7.6-7.7 x 4.5mm, weight 1.74ct; and 7.7 x 4.9mm, weight 1.95ct (2) (VAT charged on hammer price)

An unmounted treated yellow brilliant-cut diamond, measuring approximately 7.9 x 4.6mm, weight 1.78ct (VAT charged on hammer price)

An unmounted treated bluish green princess-cut diamond, measuring approximately 6.3 x 6.2 x 4.4mm, weight 1.52ct (VAT charged on hammer price)

An unmounted treated green radiant-cut diamond,measuring approximately 9.1 x 6.9 x 5.8mm, weight 3.46ct(VAT charged on hammer price)

Sealed diamond on paper, 0.40 ct; brilliant cut.

A 0.46-carat brilliant-cut diamond on paper.

Two octagonal step-cut EMERALDS, one weighing 1.54 carats and the other 0.70 carats.

Set of 3 stones on paper:

LOOSE FANCY DIAMOND

LOOSE DIAMOND BRIOLETTE

LOOSE DIAMOND

Brilliant-cut DIAMOND weighing 1.71 carats.

Sealed DIAMOND, brilliant cut, weighing 1.15 carats. In its case.

Sealed brilliant-cut DIAMOND weighing 1.58 carats.

A 1.08 CARAT NATURAL FANCY DEEP GREENISH BROWNISH YELLOW DIAMOND hexagonal step cut, 1.08 carats. Accompanied by a gemmological report stating the diamond is natural fancy deep greenish brownish yellow colour and SI1 clarity.

AN UNMOUNTED 5.09 CARAT CEYLON NO HEAT SAPPHIRE octagonal mixed cut, 5.09 carats. Accompanied by a gemmological report stating the sapphire is Ceylon origin with no indications of heat treatment.

AN UNMOUNTED 2.91 CARAT COLOMBIAN MINOR EMERALD pear cut, 2.91 carats. Accompanied by a GIA report stating the emerald is Colombian origin with minor clarity enhancement.

AN UNMOUNTED 0.86 CARAT DIAMOND round brilliant cut, 0.86 carats. Accompanied by a gemmological report stating the diamond is D colour and I1 clarity.

AN UNMOUNTED 1.98 CARAT COLOMBIAN EMERALD pear cut, 1.98 carats. Accompanied by a GIA report stating the emerald is Colombian origin with significant clarity enhancement, minor resin is present in surface cavities.

AN UNMOUNTED DIAMOND round brilliant cut, 1.05 carats.

THREE (TREATED) OVAL-CUT RUBYs WITH A TOTAL WEIGHT OF 3.94 CT

THREE (TREATED) RUBYs IN OVAL AND PEAR CUTS WITH A TOTAL WEIGHT OF 7.60 CT AND THREE BLACK SPINELS IN ROUND CUTS WITH A TOTAL WEIGHT OF 0.54 CT

SQUARE-CUT EMERALD WEIGHING 4.04 CT

OVAL CABOCHON BLACK STAR SAPPHIRE WEIGHING 27.50 CT

MÊLÉE DIAMONDS OF VARIOUS CUTS, SIZES, AND QUALITIES. TOTAL WEIGHT: 15.24 CT

RECTANGULAR-CUT EMERALD WEIGHING 2.73 CT

LOT OF SIX RUBY STONES (TREATED) — FOUR OVAL-CUT AND TWO PEAR-CUT, WITH A TOTAL WEIGHT OF 16.90 CT

MÊLÉE DIAMONDS OF VARIOUS CUTS, SIZES, AND QUALITIES. TOTAL WEIGHT: 20 CT

THREE OVAL-CUT EMERALDS WITH A TOTAL WEIGHT OF 1.56 CT

1.16 CT OVAL-CUT FANCY ORANGE SAPPHIRE

HEART-SHAPED SAPPHIRE WEIGHING 1.70 CT

OVAL-CUT EMERALD WEIGHING 0.86 CT

3 small brilliant-cut diamonds: 1 x 0.122 ct, color: TW, clarity: IF, cut: very good; 1 x 0.111 ct, TW, IF, cut: very good; 1 x 0.11 ct, TW, IF, cut: very good. Each comes with a certificate.

Rectangular, beveled, sealed diamond weighing 1.45 carats, with a natural grayish-greenish-yellow color.

Sealed pear-shaped diamond weighing 1 carat, light brownish-yellow in color.

Oval faceted sapphire mounted on paper, weighing 2.74 carats, with a vivid blue color.

Oval-cut faceted sapphire mounted on paper, weighing 2.59 carats, with a vivid blue color.

Oval faceted sapphire mounted on paper, weighing 2.40 carats, with a vivid blue color.

Oval-round faceted sapphire on paper weighing 5.61 carats, greenish-blue in color.

Oval faceted sapphire on paper, weighing 9.51 carats, blue in color.

Oval faceted sapphire on paper, weighing 5.19 carats, blue in color.

Heart-shaped diamond on paper weighing 1.03 carats, color H, clarity IF.

Set of brilliant-cut and antique-cut diamonds on paper, weighing approximately 1.80 carats in total.

A sealed brilliant-cut diamond weighing 1 carat, accompanied by its IGI laboratory report No. 825678855, certifying a color of I, clarity of I2, and no fluorescence.

A brilliant-cut diamond on paper weighing 0.70 carats, accompanied by its IGI laboratory report No. 797679030, certifying a color of H, clarity of VVS1, and no fluorescence.

1.03 ct diamond

0.99 ct diamond

Five brilliant-cut diamonds, total 0.99 ct

Ten brilliant-cut diamonds, total 0.97 ct

Ten brilliant-cut diamonds, total 1.0 ct

Eleven brilliant-cut diamonds, total 0.98 ct

Four brilliant-cut diamonds, total 1.24 ct

Four brilliant-cut diamonds, total weight 1.52 ct

Faceted sapphire, 10.3 ct

Gemstone Collection

Synthetic spinel doublet set.

Set of rhodochrosites.

Set of rubies.

Set of emeralds.

Set of sapphires.

Malachite set.

Loose emerald, approx. 9 ct, emerald cut

DIAMOND on paper, 1.06 carats, F color, VS2 clarity

DIAMOND on paper 1ct01, color F, clarity VVS1

DIAMOND on paper, 1ct09, F color and IF clarity

2.57 ct ruby on paper

74 natural brilliant-cut diamonds, total weight approx. 2.01 ct, various shades of yellow and brown, SI1-I1, various shades of brown, in a blister pack, certificate included

7 natural brilliant-cut diamonds, total weight 1.07 ct, clarity grade G, grayish to yellowish-gray, I1, in blister packaging, gemmological report available

Approx. 540 small natural brilliant-cut diamonds, total weight approx. 4.01 ct (diameter approx. 0.1–0.12 cm), fancy light yellow–fancy yellow, SI–I, in blister packaging, certificate included

A total of 15 natural brilliant-cut diamonds, total weight approx. 1.53 ct, F-LGW, SI2-I1, in a blister pack, certificate included

Oval-cut yellow sapphire on paper.

DIAMOND, brilliant cut, 2,05 ct, approx. LY/VS1, measurements 8,35 x 8,23 x4,85 mm

DIAMOND, antique cut, 1,04 ct, approx. Ca(N)/P, measurements 6,14 x 5,51 x 4,37 mm, notch i anslutning for inclusion that reach the surface