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BROCHE CITRINE ET DIAMANTS Cushion-shaped citrine, round and baguette diamonds, French import assay marks for platinum (850‰) and 18K white gold (750‰). Citrine: for an approximate weight of 10.00 - 11.00 carats Diamonds: for an approximate total weight of 12.00 - 14.00 carats Size/Dimensions: 5.8 cm high Gross weight: 30.70 grams

BROCHE CITRINE ET DIAMANTS

Estimation : 8000 - 12000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

GEORGES FOUQUET BAGUE PERLE FINE, SAPHIRS ET DIAMANTS Button-shaped natural pearl, calibré-cut sapphires, old and single-cut diamonds, French import assay mark for platinum (850‰) and for 18K yellow gold (750‰), signed G. Fouquet, numbered, circa 1910 LFG, 2026, report n°425522: saltwater natural pearl, measuring 9.03 - 9.13 x 5.95 mm, no indication of treatment Sapphires: for an approximate total weight of 0.40 - 0.50 carat Diamonds: for an approximate total weight of 0.25 - 0.30 carat Size/Dimensions: EU ring size 53 / US ring size 6½ Gross weight: 6.55 grams

GEORGES FOUQUET BAGUE PERLE FINE, SAPHIRS ET DIAMANTS

Estimation : 7000 - 10000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

BOUCHERON BRACELET JONC DIAMANTS Round, single and baguette-cut diamonds, French assay marks for platinum (850‰) and 18K white gold (750‰), signed Boucheron Paris, circa 1940 Diamonds: for an approximate total weight of 22.30-24.80 carats Size/Dimensions: inner continuous circumference of 15.0 cm long Gross weight: 86.30 grams

BOUCHERON BRACELET JONC DIAMANTS

Estimation : 60000 - 80000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

DIAMANT SUR PAPIER 3.46 carats Corner-cut square-shaped diamond of 3.46 carats LFG, 2026, report n°425498: 3.46 carats, H colour, VS2 clarity, no fluorescence Size/Dimensions: 8.89 x 8.60 x 6.02 mm Gross weight: 0.69 grams

DIAMANT SUR PAPIER

Estimation : 15000 - 20000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

PAIRE DE BOUCLES D’OREILLES PERLES FINES, PERLE BLISTER FINE ET DIAMANTS Seven round, bouton and drop-shaped natural pearls, one drop-shaped blister natural pearl, old-cut diamonds, French assay marks for 18K yellow gold (750‰) and for platinum (850‰), French maker’s mark (Charles Samson), circa 1930 LFG, 2026, report n° 424702: Natural pearls and Natural Blister pearl, mesuring approximately 3.1 - 4.9 mm and 11.2 - 9.9 x 13.2 mm, 2.9 - 4.8 mm and 11.5 - 9.9 x 13.5 mm, saltwater, one fresh water pearl Size/Dimensions: 3.2 cm Gross weight: 7.56 grams

PAIRE DE BOUCLES D’OREILLES PERLES FINES, PERLE BLISTER FINE ET DIAMANTS

Estimation : 10000 - 20000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

BAGUE DIAMANTS Heart-shaped diamond of 3.15 carats, round brilliant and baguette-cut diamonds, French import assay mark for 18K white gold (750‰) LFG, 2026, report n°424775: 3.15 carats, L colour, SI2 clarity, no fluorescence Size/Dimensions: EU ring size 50½ / US ring size 5½ Gross weight: 9.51 grams

BAGUE DIAMANTS

Estimation : 12000 - 15000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

BOUCHERON BAGUE RUBIS ET DIAMANTS Oval-shaped ruby, baguette-cut diamonds, French assay marks for 18K white gold (750‰), unsigned, French maker’s mark (Boucheron) SSEF, 2025, report n°139036: Burma (Myanmar), no indication of heating Ruby: for an approximate weight of 1.50 - 1.60 carats Diamonds: with an approximate total weight of 0.40 - 0.50 carat Size/Dimensions: EU ring size 50½ / US ring size 5¼ (with a U-shaped ring sizer) Gross weight: 8.03 grams

BOUCHERON BAGUE RUBIS ET DIAMANTS

Estimation : 10000 - 15000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

VAN CLEEF & ARPELS BAGUE ÉMERAUDE ET DIAMANTS Oval cabochon emerald of 9.69 carats, round diamonds, French assay marks for 18K yellow gold (750‰), French marker’s mark (Lasbleiz Fournier Vitiello), signed VCA, numbered, circa 1970 Gübelin, 2026, report n°26050052: 9.69 carats, Colombia, minor oil Diamonds: for an approximate total weight of 1.80 - 1.90 carats Size/Dimensions: EU ring size 49 / US ring size 4¾ (U-shaped ring sizer) Gross weight: 14.39 grams

VAN CLEEF & ARPELS BAGUE ÉMERAUDE ET DIAMANTS

Estimation : 60000 - 80000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

BOUCHERON BAGUE SAPHIR ET DIAMANTS Oval-shaped sapphire of 3.897 carats, round diamonds, French assay mark for 18K white gold (750‰), signed Boucheron, French maker’s mark (Boucheron), numbered SSEF, 2026, report n°153693: 3.897 carats, Burma (Myanmar), no indications of heating. Diamonds: for an approximate total weight of 1.80 - 2.40 carats Size/Dimensions: EU ring size 52 / US ring size 6 Gross weight: 9.23 grams

BOUCHERON BAGUE SAPHIR ET DIAMANTS

Estimation : 30000 - 40000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

BAGUE RUBIS ET DIAMANTS Oval-shaped ruby of 3.42 carats, baguette-shaped diamonds, French import assay mark for 18K yellow and white gold (750‰) Gübelin, 2015, report n°15010042: 3.42 carats, Mogok (Burma), no indications of heating, with Information sheet on rubies from Mogok, Burma Diamonds: for an approximate total weight of 0.50 - 0.60 carat Size/Dimensions: EU ring size 56 / US ring size 7½ Gross weight: 7.80 grams Please note that this report is over five years old and may require an update.

BAGUE RUBIS ET DIAMANTS

Estimation : 15000 - 25000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

CARTIER PENDENTIF DIAMANT Round diamonds, French assay mark for 18K white gold (750‰), signed Cartier, numbered Diamonds: with an approximate total weight of 4.70-5.30 carats Size/Dimensions: 4.2 x 2.3 cm (with bail) Gross weight: 5.91 grams

CARTIER PENDENTIF DIAMANT

Estimation : 15000 - 20000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

ASPREY PAIRE DE BOUCLES D’OREILLES OR French import assay marks for 18K yellow gold (750‰), signed Asprey, circa 1970 Size/Dimensions: 5.7 x 5.6 cm Gross weight: 86.97 grams

ASPREY PAIRE DE BOUCLES D’OREILLES OR

Estimation : 10000 - 15000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

BAGUE ÉMERAUDE ET DIAMANTS Octogonal step-cut emerald of 5.50 carats, half-moon diamonds, French import assay marks for 18K white gold (750‰), numbered. Gübelin, 2026, report n°26050049: 5.50 carats, Zambia, minor oil Diamonds: for an approximate total weight of total weight 0.77 carat Size/Dimensions: EU size 53 / US 6 ¼ Gross weight: 6.95 grams

BAGUE ÉMERAUDE ET DIAMANTS

Estimation : 50000 - 80000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

REPOSSI DEUX BRACELETS JONC ÉMERAUDE ET DIAMANTS Octagonal step-cut emerald, round and octagonal-shaped diamonds, French assay mark for 18K yellow and white gold (750‰), French maker’s mark, Italian maker’s mark, both signed Repossi Gübelin, 2026, report n°26050048: measuring approximately 14.20 x 10.90 x 7.50 mm, Zambia, minor resin Emerald: for an approximate total weight of 6.00 - 8.00 carats Diamonds: for an approximate total weight of 11.50 -12.00 carats Size/Dimensions: continuous inner circumference 17.0 cm Gross weight: 150.59 grams

REPOSSI DEUX BRACELETS JONC ÉMERAUDE ET DIAMANTS

Estimation : 60000 - 80000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

BUCCELLATI CLIP-BROCHE ÉMERAUDE ET SAPHIRS Oval cabochon emerald, round sapphires, French import assay marks for 18K yellow gold (750‰) and silver (800‰), signed Buccellati, circa 1970 Emerald: for an approximate total weight of 10.50 - 12.50 carats Sapphires: for an approximate total weight of 1.40 - 1.50 carats Size/Dimensions: 5.1 x 3.0 cm Gross weight: 17.10 grams

BUCCELLATI CLIP-BROCHE ÉMERAUDE ET SAPHIRS

Estimation : 10000 - 15000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

PARURE ÉMERAUDES, ÉMAIL ET OR Comprising a necklace, a ring and a pair of earrings. Emeral cabochons and beads, blue and white enamel, French import assay marks for 18K yellow gold (750‰) Size/Dimensions: necklace 42.5 cm long, earrings 6.5 cm high, EU ring size 56 / US ring size 7½ Gross weight: 97.61 grams

PARURE ÉMERAUDES, ÉMAIL ET OR

Estimation : 10000 - 15000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

PARURE OR Comprising a necklace with three charms, a bracelet, a ring and a pair of earrings. French import assay marks for 18K yellow gold (750‰). Size/Dimensions: necklace 45.0 cm, bracelet 19.0 cm, earrings 4.4 x 1.8 cm, EU ring size 54 / US ring size 6¾ Gross weight: 121.65 grams

PARURE OR

Estimation : 12000 - 18000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026

SAUTOIR PERLE FINE, PERLES DE SEMENCE ET DIAMANTS BELLE ÉPOQUE Baroque-shaped natual hollow pear measuring approximately 10.5 - 12.9 x19.3 mm, round natural seed pearls measuring approximately from 3.0 - 2.6 mm, rose and single-cut diamonds, French assay marks for platinum (850‰), maker’s mark (Henri Droguet), circa 1910 LFG, 2026, report n° 425109, 870 saltwater natural pearls, 1 saltwater hollow pearl, no indication of treatment Size/Dimensions: sautoir 66.7 cm long, pendant 5.2 x 1.7 cm Gross weight: 39.72 grams

SAUTOIR PERLE FINE, PERLES DE SEMENCE ET DIAMANTS BELLE ÉPOQUE

Estimation : 15000 - 25000 €

Maison de vente : Christie’s

Date de la vente : 26/06/2026