Jewellery, gems

EARLY 20TH CENTURY DIAMOND PENDANT NECKLACE AND PEARL, EMERALD AND DIAMOND...

EARLY 20TH CENTURY DIAMOND PENDANT NECKLACE AND PEARL, EMERALD AND DIAMOND RING AND TWO DIAMOND RINGS Old and rose-cut diamonds, circa 1910, necklace 45.0 cm, pendant 5.5 cm, red J.F. Wrana case; Pearl, calibré-cut emeralds, old and single-cut diamonds, platinum (Austrian marks), circa 1915, ring size O½; Old and circular-cut diamonds, gold (Austrian marks), circa 1900, ring size L½ and M Pease...

Price: £6,000 - £8,000
ca. US$7,608 - US$10,144

Date: 12 Jun 2019

TANZANITE AND DIAMOND NECKLACE, TIFFANY & CO.; TANZANITE AND DIAMOND RING, FRED

TANZANITE AND DIAMOND NECKLACE, TIFFANY & CO.; TANZANITE AND DIAMOND RING, FRED Cushion-shaped tanzanite, circular-cut diamonds, 44.5 cm, platinum, signed Tiffany & Co., black Tiffany & Co. case; Sugarloaf tanzanite, circular-cut diamonds, ring size 5¾, gold (French mark), signed Fred, no. 896083, 75th Anniversary US$6,500-10,000...

Price: HK$50,000 - HK$80,000
ca. US$6,371 - US$10,193

Date: 28 May 2019

EARLY 20TH CENTURY DIAMOND EARRINGS AND EMERALD AND DIAMOND RING

EARLY 20TH CENTURY DIAMOND EARRINGS AND EMERALD AND DIAMOND RING Old-cut diamonds, gold (Austro-Hungarian marks), pendants detachable, circa 1910, surmounts possibly earlier, 4.6 cm, black case; Square-cut emerald, old-cut diamonds, gold (Austro-Hungarian marks), circa 1900, ring size M...

Price: £4,500 - £6,500
ca. US$5,706 - US$8,242

Date: 12 Jun 2019

BOUCLES D'OREILLES DIAMANTS, RENÉ BOIVIN

BOUCLES D'OREILLES DIAMANTS, RENÉ BOIVIN Diamants taille ancienne et diamants poire, or 18K (750), poinçon français, circa 1930, 2.5 cm, poids brut : 22.14 g, non signées, poinçon de maître RB Certificat de Françoise Cailles et Jean-Norbert Salit, 2018 DIAMOND EARRINGS, RENÉ BOIVIN Old-cut diamonds and pear-shaped diamonds, 18K gold (750), French mark, circa 1930, 2.5 cm, gross weight: 22.14 g...

Price: €30,000 - €40,000
ca. US$33,484 - US$44,646

Date: 13 Jun 2019

A Ruby and Diamond Three-Stone Ring

A Ruby and Diamond Three-Stone Ring The cushion-shaped ruby, weighing 3.04 carats, between old brilliant-cut diamonds weighing 1.09 and 1.07 carats, within a double surround set with brilliant-cut diamonds, extended to the openwork gallery and half hoop, remaining diamonds approximately 1.75 carats total, ring size 6 Fußnoten Accompanied by an AGL (American Gemological Laboratories) report stating...

Price: HK$1,700,000 - HK$2,500,000
ca. US$216,589 - US$318,513

Date: 26 May 2019

BRACELET PERLES DE CULTURE, KUNZITES ET DIAMANTS, RENÉ BOIVIN

BRACELET PERLES DE CULTURE, KUNZITES ET DIAMANTS, RENÉ BOIVIN Perles de culture blanches, kunzite ovale, kunzites rondes et diamants ronds, or 18K (750), poinçon français, 17.0 cm, accompagné de perles de culture grises permettant de transformer le bracelet en collier (31.5 cm), poids brut : 144.36 g Certificat de Françoise Cailles, 2017 CULTURED PEARL, KUNZITE AND DIAMOND BRACELET, RENÉ BOIVIN...

Price: €6,000 - €8,000
ca. US$6,696 - US$8,929

Date: 13 Jun 2019

BRACELET ''NID D'ABEILLE'' SAPHIRS TRANSFORMABLE EN COLLIER, RENÉ BOIVIN

BRACELET "NID D'ABEILLE" SAPHIRS TRANSFORMABLE EN COLLIER, RENÉ BOIVIN Saphirs ronds, or 18K (750), poinçon français, 1945, bracelet 20.4 cm, collier 39.4 cm, poids brut : 138.42 g, signé René Boivin Certificat de Françoise Cailles et Jean-Norbert Salit, 2019 'HONEYCOMB' SAPPHIRE BRACELET TRANSFORMABLE INTO A NECKLACE, RENÉ BOIVIN Round-cut sapphires, 18K gold (750), French mark, 1945, bracelet...

Price: €25,000 - €35,000
ca. US$27,903 - US$39,065

Date: 13 Jun 2019

MOTHER-OF-PEARL AND DIAMOND BUTTERFLY BROOCH AND COLOURED SAPPHIRE AND...

MOTHER-OF-PEARL AND DIAMOND BUTTERFLY BROOCH AND COLOURED SAPPHIRE AND DIAMOND DRAGONFLY BROOCH, VAN CLEEF & ARPELS Mother-of-pearl panels, circular-cut diamonds, gold (French, Swiss and European Convention marks), signed VCA for Van Cleef & Arpels; circular-cut yellow sapphires and diamonds, gold (French, Swiss and European Convention marks), signed Van Cleef & Arpels, blue Van Cleef & Arpels...

Price: £4,500 - £5,500
ca. US$5,706 - US$6,974

Date: 12 Jun 2019

DIAMOND 'COSMOS' BROOCH AND EARRINGS SET, VAN CLEEF & ARPELS

DIAMOND 'COSMOS' BROOCH AND EARRINGS SET, VAN CLEEF & ARPELS Circular-cut diamonds, gold (French mark), brooch 2.7 cm, earrings 1.7 cm, signed Van Cleef & Arpels, brooch no. M40729 and earrings no. BL60001, two green VCA cases US$15,000-23,000...

Price: HK$150,000 - HK$250,000
ca. US$19,113 - US$31,855

Date: 28 May 2019

BAGUE ''ÉCAILLE'' ÉMERAUDES ET DIAMANTS, RENÉ BOIVIN

BAGUE "ÉCAILLE" ÉMERAUDES ET DIAMANTS, RENÉ BOIVIN Émeraude rectangulaire à pans coupés, émeraudes rondes, diamants taille ancienne et diamants taille 8/8, or 18K (750), poinçon français, taille 49, poids brut : 12.75 g, non signée, poinçon de maître René Boivin EMERALD AND DIAMOND 'ÉCAILLE' RING, RENÉ BOIVIN Rectangular cut-corned emerald, circular-cut emeralds, old-cut diamonds and single-cut...

Price: €15,000 - €20,000
ca. US$16,742 - US$22,323

Date: 13 Jun 2019