oval-shaped sapphire

Lot 255. Platinum, 18 Karat White Gold, 80.25 carats Thailand Sapphire and 44.00 carats Diamond Necklace. Estimate 150,000 — 250,000 USD. Lot sold 181,250 USD. Photo Sotheby's Set with 16 oval-shaped sapphires weighing approximately 80.25 carats, accented by round, pear and marquise-shaped diamonds weighing approximately 44.00 carats, length 14 inches. Accompanied by AGL report no. CS 71009 stating that an excess of 50% of the stones tested at random are of Thai origin, with... [Lire la suite]

Burma and Basaltic sapphire and diamond necklace and bracelet by Bvlgari. Photo Christie's Image Ltd 2015   Pair of sapphire and diamond brooches. Photo Christie's Image Ltd 2015   Pair of sapphire and diamond brooches. Photo Christie's Image Ltd 2015 Sapphire and diamond ring. Photo Christie's Image Ltd 2015 Comprising a graduated necklace set with oval-shaped sapphires between circular-cut diamond line borders, 40.0 cm; a bracelet en suite, 16.4... [Lire la suite]

 A Burma sapphire and diamond necklace. Estimate HK$2,400,000 – HK$3,500,000 (US$300,000-440,000). Photo Christie's Image Ltd 2015 Designed as a series of graduated cushion and oval-shaped sapphires alternating with trefoil pear-shaped diamond links, mounted in 18k white gold, 42.3 cm long Accompanied by report no. 76386 dated 23 September 2014 from the SSEF Swiss Gemmological Institute stating that the sapphires weighing approximately 70.00 carats total are of Burma (Myanmar) origin, with no indications of... [Lire la suite]

A 18.06 carats Burma oval-shaped sapphire and diamond ring, by Harry Winston. Estimate 3,500,000 – HK$5,500,000 ($440,000-700,000). Photo Christie's Image Ltd 2015 Set with an oval-shaped sapphire weighing 18.06 carats, flanked by tapered baguette-cut diamonds, mounted in platinum, ring size 6¾, in blue leather Harry Winston case. With maker's mark for Harry Winston  Accompanied by report no. 1005062 dated 11 May 2010 from the Gübelin Gemmological Laboratory stating that the 18.00 carat... [Lire la suite]

Lot 2048. A rare 15.53 carats Burma 'Royal Blue' oval-shaped sapphire and diamond ring. Estimate 4,800,000 – HK$6,500,000 ($600,000-800,000). Price realised HKD 7,240,000. © Christie's Image Ltd 2015 Set with an oval-shaped sapphire weighing approximately 15.53 carats, flanked by bullet-cut diamonds, mounted in platinum, ring size 5¾. Accompanied by premium report no. 79045 dated 10 March 2015 from the SSEF Swiss Gemmological Institute stating that the... [Lire la suite]

A 21.07 carats Burmese sapphire and diamond ring. Estimate CHF220,000 – CHF260,000 ($239,016 - $282,474). Photo Christie's Image Ltd 2015. Set with an oval-shaped sapphire, weighing approximately 21.07 carats, in a pear-shaped sapphire and diamond cluster, to the marquise-cut diamond shoulders, mounted in platinum, ring size 4½  Accompanied by report no. 74916 dated 6 June 2014 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Burmese origin, with no indications of heating  ... [Lire la suite]

A 49.73 carats Ceylon sapphire and diamond ring, by Van Cleef & Arpels. Estimate CHF475,000 – CHF550,000 ($516,058 - $597,540). Photo Christie's Image Ltd 2015. Set with an oval-shaped sapphire, weighing approximately 49.73 carats, to the brilliant-cut diamond surround and associated hoop, ring size 5. Signed Van Cleef & Arpels (partially illegible)  Accompanied by report no. 78600 dated 19 February 2015 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Ceylon... [Lire la suite]

A 69.35 carats Ceylon sapphire and diamond ring. Estimate CHF500,000 – CHF600,000 ($543,219 - $651,862). Photo Christie's Image Ltd 2015. Set with an oval-shaped sapphire, weighing approximately 69.35 carats, in a brilliant-cut diamond cluster, mounted in platinum, ring size 6½  Accompanied by report no. 78479 dated 20 February 2015 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Ceylon origin, with no indications of heating  Christie's. MAGNIFICENT... [Lire la suite]

A diamond and 18K gold ring set with an oval-shaped Burmese sapphire weighing 5,73 cts. Photo HÔTEL DES VENTES DE MONTE-CARLO Bague en or gris, sertie d'un très beau rubis ovale pesant 5,73 cts, épaulé de deux diamants triangulaires. Dimensions de la pierre : 11,03 x 9,00 x 5,93 mm environ. Poids : 5,5 g. Estimation : 120 000 € / 150 000 € La pierre accompagnée de certificats SSEF et GUBELIN attestant : origine Birmanie, couleur naturelle sans modification thermique. HÔTEL DES VENTES DE MONTE-CARLO. 21 Juillet 2014 14h30. 10 - 12... [Lire la suite]

A sapphire and diamond ring, by Meister. Photo Christie's Image Ltd 2014 Centering upon an oval-shaped sapphire, weighing approximately 15.20 carats, in a brilliant and baguette-cut diamond surround, to the bifurcated hoop, mounted in gold, ring size 6¼. Signed EM for Meister. Estimate CHF20,000 – CHF30,000 ($22,948 - $34,422) Accompanied by report no. 55741 dated 13 April 2010 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Ceylon origin, with no indications of heating Christie's. GENEVA MAGNIFICENT... [Lire la suite]