Calendrier des ventes

Precious stones

374 résultats

0.60 ct. Round Brilliant IGI-certified natural dia

live 26 novembre | 13:00

0.60 ct. Round Brilliant IGI-certified natural diamond

Estimation

320 - 460 €

12 Stones - 1.10 ct. Round Brilliant IGI-certified

live 26 novembre | 13:00

12 Stones - 1.10 ct. Round Brilliant IGI-certified natural diamonds

Estimation

340 - 500 €

0.74 ct. Round Brilliant HRD-certified natural dia

live 26 novembre | 13:00

0.74 ct. Round Brilliant HRD-certified natural diamond

Estimation

420 - 550 €

0.66 ct. Round Brilliant IGI-certified natural dia

live 26 novembre | 13:00

0.66 ct. Round Brilliant IGI-certified natural diamond

Estimation

420 - 550 €

1.05 ct. Oval (Variation) HRD-certified natural di

live 26 novembre | 13:00

1.05 ct. Oval (Variation) HRD-certified natural diamond

Estimation

850 - 1 200 €

1.05 ct. Cushion HRD-certified natural diamond
Sha

live 26 novembre | 13:00

1.05 ct. Cushion HRD-certified natural diamond

Estimation

900 - 1 100 €

1.33 ct. Old European Cut IGI-certified natural di

live 26 novembre | 13:00

1.33 ct. Old European Cut IGI-certified natural diamond

Estimation

900 - 1 100 €

1.04 ct. Cushion HRD-certified natural diamond
Sha

live 26 novembre | 13:00

1.04 ct. Cushion HRD-certified natural diamond

Estimation

1 100 - 1 250 €

1.02 ct. Rectangular Modified Brilliant GIA-certif

live 26 novembre | 13:00

1.02 ct. Rectangular Modified Brilliant GIA-certified natural diamond

Estimation

1 100 - 1 400 €

1.00 ct. Round Brilliant GIA-certified natural dia

live 26 novembre | 13:00

1.00 ct. Round Brilliant GIA-certified natural diamond

Estimation

2 100 - 2 800 €

2.32 ct. Round Brilliant HRD-certified natural dia

live 26 novembre | 13:00

2.32 ct. Round Brilliant HRD-certified natural diamond

Estimation

2 400 - 3 200 €

1.67 ct. Round Brilliant HRD-certified natural dia

live 26 novembre | 13:00

1.67 ct. Round Brilliant HRD-certified natural diamond

Estimation

5 500 - 7 500 €

A 1.05-carat ruby on paper with its EGL certificat

live 26 novembre | 14:00

A 1.05-carat ruby on paper with its EGL certificate dated April 29, 1981

Estimation

150 - 200 €

**
Marquise modified brilliant cut ct. 2.08 diamon

live 26 novembre | 15:00

**

Estimation

8 000 - 13 000 €

Round brilliant cut ct. 15.68 diamond.

Appended

live 26 novembre | 15:00

Round brilliant cut ct. 15.68 diamond.

Estimation

90 000 - 140 000 €

**
Lot comprising ct. 0.75 and ct. 0.72 round bril

live 27 novembre | 10:00

**

Estimation

750 - 1 000 €

**
Lot comprising ct. 0.70 and ct. 0.69 round bril

live 27 novembre | 10:00

**

Estimation

750 - 1 000 €

**
Lot comprising ct. 0.62, ct. 0.64, ct. 0.48 and

live 27 novembre | 10:00

**

Estimation

700 - 1 200 €

**
Lot comprising ct. 0.53 and ct. 0.52 round bril

live 27 novembre | 10:00

**

Estimation

300 - 600 €

**
Lot comprising ct. 1.05 and ct. 1.05 round bril

live 27 novembre | 10:00

**

Estimation

1 400 - 2 000 €

**
Lot comprising ct. 1.06 and ct. 1.01 round bril

live 27 novembre | 10:00

**

Estimation

1 600 - 2 200 €

**
Lot comprising ct. 1.07 and ct. 1.10 round bril

live 27 novembre | 10:00

**

Estimation

1 800 - 2 700 €

**
Lot comprising ct. 0.93 and ct. 0.92 brilliant

live 27 novembre | 10:00

**

Estimation

2 000 - 3 000 €

**
Lot comprising sixteen round brilliant cut diam

live 27 novembre | 10:00

**

Estimation

2 500 - 3 500 €

Round ct. 1.62 brilliant cut diamond.

IT
Diamante

live 27 novembre | 10:00

Round ct. 1.62 brilliant cut diamond.

Estimation

3 000 - 4 000 €

Lot comprising oval ct. 2.33 ruby and ct. 2.89 sap

live 27 novembre | 10:00

Lot comprising oval ct. 2.33 ruby and ct. 2.89 sapphire.

Estimation

500 - 800 €

Lot comprising twenty-one oval rubies in all ct. 1

live 27 novembre | 10:00

Lot comprising twenty-one oval rubies in all ct. 19.10.

Estimation

300 - 600 €

A 7.10-carat cushion-cut blue Ceylon sapphire on p

live 27 novembre | 14:00

A 7.10-carat cushion-cut blue Ceylon sapphire on paper.

Estimation

2 000 - 3 000 €

A 6.54-carat cushion-cut blue Ceylon sapphire on p

live 27 novembre | 14:00

A 6.54-carat cushion-cut blue Ceylon sapphire on paper.

Estimation

2 000 - 3 000 €

Loose diamond, 0.86 ct., with laser signature—labo

live 28 novembre | 10:00

Loose diamond, 0.86 ct., with laser signature—laboratory-grown diamond of excellent quality, round brilliant cut, color: D, clarity: VVS2, laser engraving; the diamond is shipped with IGI Certificate No. IGI LG799666437

Estimation

140 - 210 €

Loose diamond, 0.97 ct., with laser signature—labo

live 28 novembre | 10:00

Loose diamond, 0.97 ct., with laser signature—laboratory-grown diamond of excellent quality, round brilliant cut, color: D, clarity: VVS2, laser engraving; the diamond is shipped with IGI Certificate No. IGI LG799619015

Estimation

160 - 240 €

Loose diamond, 1.51 ct., with laser signature—labo

live 28 novembre | 10:00

Loose diamond, 1.51 ct., with laser signature—laboratory-grown diamond of excellent quality, round brilliant cut, color: D, clarity: VVS2, laser engraving; the diamond is shipped with IGI Certificate No. IGI LG808635324

Estimation

300 - 450 €

Loose diamond, 5.00 ct., with laser signature—labo

live 28 novembre | 10:00

Loose diamond, 5.00 ct., with laser signature—laboratory-grown diamond of excellent quality, round brilliant cut, color: E, clarity: SI1, laser engraving, IGI certificate no. IGI LG833626098

Estimation

900 - 1 350 €

Assortment of Brilliant-Cut Diamonds—loose natural

live 28 novembre | 10:00

Assortment of Brilliant-Cut Diamonds—loose natural stones, 12 brilliant-cut diamonds (color: G) totaling 1.16 ct., Color / Clarity

Estimation

650 - 975 €

Set of 1 Emerald & 6 Brilliant-Cut Diamonds—lo

live 28 novembre | 10:00

Set of 1 Emerald & 6 Brilliant-Cut Diamonds—loose natural stones, 1 emerald in an emerald cut weighing 2.24 ct, 6 brilliant-cut diamonds (color F-G) totaling 0.65 ct.

Estimation

600 - 900 €

Set of 1 Emerald & 6 Brilliant-Cut Diamonds—lo

live 28 novembre | 10:00

Set of 1 Emerald & 6 Brilliant-Cut Diamonds—loose natural stones, 1 teardrop-cut emerald weighing 1.15 ct, 6 brilliant-cut diamonds (color: F-G) totaling 0.53 ct.

Estimation

550 - 825 €

Assortment of Brilliant-Cut Diamonds—loose natural

live 28 novembre | 10:00

Assortment of Brilliant-Cut Diamonds—loose natural stones, 8 brilliant-cut diamonds (color: G-H) totaling 0.79 ct.

Estimation

500 - 750 €

Loose 1.00 ct. diamond with laser signature—natura

live 28 novembre | 10:00

Loose 1.00 ct. diamond with laser signature—natural diamond, emerald cut, color: E, Clarity: SI2; the diamond is shipped in a GIA Magnet Box with the original GIA certificate No.: 7281944492

Estimation

1 100 - 1 650 €

Loose diamond, 0.62 ct., with laser signature—natu

live 28 novembre | 10:00

Loose diamond, 0.62 ct., with laser signature—natural diamond, round brilliant cut, color: E, clarity: VS1, with original GIA certificate No.: 2534973666

Estimation

750 - 1 125 €

Loose diamond, 1.00 ct., with laser signature—natu

live 28 novembre | 10:00

Loose diamond, 1.00 ct., with laser signature—natural diamond, round brilliant cut, color: E, clarity: VS1, with original IGI certificate No.: 817659246

Estimation

1 700 - 2 550 €

Loose blue diamond of 3.56 ct. with laser signatur

live 28 novembre | 10:00

Loose blue diamond of 3.56 ct. with laser signature - laboratory brilliant of excellent quality, round brilliant cut, color: Fancy Intense Blue, clarity: VS1 , laser engraving + certificate IGI LG649438735 (International Gemological Institute)

Estimation

800 - 1 200 €

Loose blue diamond, 5.06 ct., with laser signature

live 28 novembre | 10:00

Loose blue diamond, 5.06 ct., with laser signature—laboratory-grown diamond of excellent quality, pear-shaped brilliant cut, color: vivid blue / Fancy Vivid Blue, clarity: VVS2, see certificate for further details, laser signature + IGI certificate LG717506086

Estimation

1 500 - 2 250 €

Loose diamond of 2.01 ct. with laser signature - l

live 28 novembre | 10:00

Loose diamond of 2.01 ct. with laser signature - laboratory diamond of excellent quality, round brilliant cut of excellent quality, color: G, clarity: VVS2, laser engraving + certificate LG729596694 (International Gemological Institute), in IGI magnetic box

Estimation

400 - 600 €

Loose pink heart diamond of 1.05 ct. with laser si

live 28 novembre | 10:00

Loose pink heart diamond of 1.05 ct. with laser signature - laboratory diamond of excellent quality, heart brilliant cut, color: bright pink, clarity: VS1, laser engraving + certificate IGI LG704530526 (International Gemological Institute)

Estimation

280 - 420 €

Loose diamond, 2.10 ct., with laser signature—lab-

live 28 novembre | 10:00

Loose diamond, 2.10 ct., with laser signature—lab-grown diamond, emerald cut, color: D, clarity: VVS2, original IGI certificate no.: LG850602508

Estimation

380 - 570 €

Loose diamond with laser signature - Laboratory-gr

live 28 novembre | 10:00

Loose diamond with laser signature - Laboratory-grown diamond of excellent quality, Color: FANCY Yellow, Clarity: VS1, Heart-shaped brilliant cut, Size: 1.01 Certificate: IGI LG768663193

Estimation

180 - 270 €

Loose diamond with laser signature - laboratory di

live 28 novembre | 10:00

Loose diamond with laser signature - laboratory diamond of very good quality, princess cut, color: FANCY green, clarity: VS2, size: 1.01, laser engraving + certificate: IGI LG735538354

Estimation

180 - 270 €

Loose diamond with laser signature—laboratory-grow

live 28 novembre | 10:00

Loose diamond with laser signature—laboratory-grown diamond of excellent quality, heart-shaped cut, color grade Fancy Vivid Blue (bright blue), clarity SI1, weight 1.01 ct., with IGI certificate no. LG722534087

Estimation

180 - 270 €

Loose diamond with laser signature—laboratory-grow

live 28 novembre | 10:00

Loose diamond with laser signature—laboratory-grown diamond of excellent quality, heart-shaped cut, color grade "Fancy Deep Pink" (deep, intense pink), clarity VS1, weight 1.05 ct., with IGI certificate no. LG732564803

Estimation

260 - 390 €

Loose diamond with laser signature—laboratory-grow

live 28 novembre | 10:00

Loose diamond with laser signature—laboratory-grown diamond of excellent quality, Color: D, Clarity: VVS2, Shape: OVAL, Size: 1.07, Certificate: WISE LG2510116134. The WISE-certified “credit card” features an NFC chip for maximum security. WISE is the world’s first certification for lab-grown diamonds, developed specifically for the modern jewelry industry.

Estimation

140 - 210 €

Loose diamond of 1.06 ct. with laser signature - l

live 28 novembre | 10:00

Loose diamond of 1.06 ct. with laser signature - laboratory diamond of excellent quality, princess cut, color: FANCY yellow, clarity: VVS2, laser signature + certificate: IGI LG724544444

Estimation

320 - 480 €

Loose diamond with laser signature—laboratory-grow

live 28 novembre | 10:00

Loose diamond with laser signature—laboratory-grown diamond of excellent quality, heart-shaped brilliant cut, color: Fancy Vivid Pink (vibrant pink), clarity VVS2, weight 1.08 ct., with IGI certificate LG729554449

Estimation

260 - 390 €

Loose diamond with laser signature—laboratory-grow

live 28 novembre | 10:00

Loose diamond with laser signature—laboratory-grown diamond of excellent quality, heart cut, color grade Fancy Intense Yellow, Clarity VS1, Weight 2.01 ct., with IGI Certificate No. LG754559711

Estimation

420 - 630 €

Loose diamond with laser signature—laboratory-grow

live 28 novembre | 10:00

Loose diamond with laser signature—laboratory-grown diamond of excellent quality, heart-shaped cut, color: Fancy Blue (blue), clarity VS1, weight 2.01 ct., with IGI certificate No. LG720509269

Estimation

380 - 570 €

Loose diamond with laser signature—laboratory-grow

live 28 novembre | 10:00

Loose diamond with laser signature—laboratory-grown diamond of excellent quality, emerald cut, color grade E, clarity VVS2, weight 2.08 ct., with WISE certificate No. LG2601141426. The WISE certificate is in the form of a card with an integrated NFC chip and allows for digital retrieval and verification of the certificate data.

Estimation

320 - 480 €

Loose diamond with laser signature - laboratory di

live 28 novembre | 10:00

Loose diamond with laser signature - laboratory diamond of excellent quality, Color: D Clarity: VVS2 Shape: EMERALD Size: 2.01 Certificate: WISE LG2601936307, The WISE-certified "credit card" has an NFC chip for maximum security, WISE is the world's first certification for lab-grown diamonds specifically designed for the modern jewelry industry.

Estimation

340 - 510 €

Loose Ruby - natural oval-cut ruby weighing 3.83 c

live 28 novembre | 10:00

Loose Ruby - natural oval-cut ruby weighing 3.83 ct, color: purplish red, transparent, certificate: IGI No. 771619630

Estimation

150 - 225 €

Loose Sapphire - natural oval-cut sapphire, 6.64 c

live 28 novembre | 10:00

Loose Sapphire - natural oval-cut sapphire, 6.64 ct, color: deep blue, transparent, certificate: IGI No. 773612846

Estimation

300 - 450 €

Rolex, Orchidée Cellini, Ref. 6201, No. K676649, p

live 28 novembre | 16:00

Rolex, Orchidée Cellini, Ref. 6201, No. K676649, probably circa 2000.

Estimation

10 000 - 15 000 €

A set of five emeralds, some of which have been tr

live 29 novembre | 11:00

A set of five emeralds, some of which have been treated and/or drilled, in various shapes, weighing

Estimation

300 - 500 €

Round modern-cut diamond weighing approx. 0.31 ct

live 29 novembre | 14:00

Round modern-cut diamond weighing approx. 0.31 ct

Estimation

200 - 300 €

Sealed, orange-yellow heart-shaped sapphire, accom

live 29 novembre | 14:00

Sealed, orange-yellow heart-shaped sapphire, accompanied by:

Estimation

400 - 600 €

Oval-cut ruby on paper with certificate: 0.80 ct,

live 29 novembre | 14:00

Oval-cut ruby on paper with certificate: 0.80 ct, natural (IGS 16.02.2026 - N°GSI1602202613556)

Estimation

150 - 180 €

Two round rubies on paper, each weighing approx. 0

live 29 novembre | 14:00

Two round rubies on paper, each weighing approx. 0.50 ct (Diam. 4.5 - height 3.1 mm)

Estimation

100 - 150 €

Oval ruby in a sealed setting, accompanied by:
- C

live 29 novembre | 14:00

Oval ruby in a sealed setting, accompanied by:

Estimation

400 - 600 €

Sealed diamond from the HRD Antwerp laboratory:
.

live 29 novembre | 14:00

Sealed diamond from the HRD Antwerp laboratory:

Estimation

4 000 - 5 000 €

Oval yellow-green sapphire on paper with its certi

live 29 novembre | 14:00

Oval yellow-green sapphire on paper with its certificate stating: 1.82 ct, untreated (GEM 03/30/2026 - No. 1830016814 AN)

Estimation

140 - 150 €

Blue-green emerald-cut sapphire on paper with cert

live 29 novembre | 14:00

Blue-green emerald-cut sapphire on paper with certificate stating: 1.05 ct, heated (GEM 30.03.2026 - n°1830016810 AN)

Estimation

120 - 150 €

Emerald cut under seal with its certificate mentio

live 29 novembre | 14:00

Emerald cut under seal with its certificate mentioning: 1,73 ct - moderate presence of oil (ALGT 18/11/2024)

Estimation

160 - 180 €

Maxixe beryl 24.60 ct
Cushion-shaped cabochon

live 30 novembre | 11:00

Maxixe beryl 24.60 ct

Estimation

1 200 - 2 000 €

4.20 ct diamond
4.20 ct round brilliant-cut di

live 30 novembre | 11:00

4.20 ct diamond

Estimation

19 000 - 23 000 €

12.96 ct emerald
12.96 ct octagonal emerald.CI

live 30 novembre | 11:00

12.96 ct emerald

Estimation

12 000 - 18 000 €

Brilliant-cut DIAMOND weighing 2.56 carats.
Accomp

live 3 décembre | 14:30

Brilliant-cut DIAMOND weighing 2.56 carats.

Estimation

3 000 - 3 500 €

Ruby, loose, 0.39ct, oval faceted, 4.62x3.98x2.06m

live 4 décembre | 10:00

Ruby, loose, 0.39ct, oval faceted, 4.62x3.98x2.06mm, enclosed certificate IGI 1984, ruby shrink-wrapped

Estimation

200 - 300 €

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