Fine Jewelry

Set with twenty-six cushion-shaped rubies, marquise-, pear-shaped and brilliant-cut diamonds.

Set with twenty-six cushion-shaped rubies, marquise-, pear-shaped and brilliant-cut diamonds. Spinels estimated to weigh a total of approximately 25.00-26.00 caratsDiamonds estimated to weigh a total of approximately 13.00-14.00 carats18 karat yellow and white goldLength approximately 170mmAccompanied by GIA report no. 6525757923, dated 30 July 2025, stating that nine spinel tested are of Burmese origin, with no indications of heating

View 1 of Lot 1449: Spinel and Diamond Bracelet | 尖晶石 配 鑽石 手鏈

spinel and diamond bracelet | 尖晶石 配 鑽石 手鏈

Set with a cushion-shaped spinel weighing 5.82 carats and brilliant-cut diamonds.

Set with a cushion-shaped spinel weighing 5.82 carats and brilliant-cut diamonds. Diamonds estimated to weigh a total of approximately 0.20-0.30 carat14 karat white goldSize 6Accompanied by GIA report no. 6541447245, dated 22 January 2026, stating that the spinel is of Burmese origin, with no indications of heatingFurther accompanied by a gemmological report

View 1 of Lot 1373: Spinel and Diamond Ring | 5.82克拉 天然「緬甸」未經加熱尖晶石 配 鑽石 戒指

spinel and diamond ring | 5.82克拉 天然「緬甸」未經加熱尖晶石 配 鑽石 戒指

Set with a step-cut spinel weighing approximately 3.25 carats and halfmoon-shaped diamonds.

Set with a step-cut spinel weighing approximately 3.25 carats and halfmoon-shaped diamonds. Diamonds estimated to weigh a total of approximately 0.15-0.30 caratSize 5¾Accompanied by GIA report no. 2544774587, dated 11 March 2026, stating that the cobalt spinel is with no indications of heating

View 1 of Lot 1513: Spinel and Diamond Ring | 天然 未經加熱尖晶石 配 鑽石 戒指

spinel and diamond ring | 天然 未經加熱尖晶石 配 鑽石 戒指

Set with a cabochon cat-eye spinel and brilliant-cut diamonds, 18 karat white gold, signed Kat Florence.

Set with a cabochon cat-eye spinel and brilliant-cut diamonds, 18 karat white gold, signed Kat Florence. Approximate Gross Weight: 16 gramsApproximate Size: 6½AGL report no. 1159024, August 14 2026: stated 25.02 carats, Vietnam, No gemological evidence of heat, Additional: clarity enhancement is none Certificate of Authenticity from Kat Florence

View 1 of Lot 1495: Cat's-Eye Spinel and Diamond Ring | 25.02克拉 「越南」貓眼尖晶石 配 鑽石 戒指

cat's-eye spinel and diamond ring | 25.02克拉 「越南」貓眼尖晶石 配 鑽石 戒指

Featuring a cushion-shaped pink spinel framed by circular-cut pink sapphires and brilliant-cut diamonds.

Featuring a cushion-shaped pink spinel framed by circular-cut pink sapphires and brilliant-cut diamonds. Spinel weighing 12.89 caratsSize 6 ¼Stamped 750 for 18 karat goldAccompanied by GRS report no. GRS2026-051153, 29 May 2026 stating that the spinel is of Vietnamese origin, with no indications of thermal treatmentGross weight approximately 14 grams

View 1 of Lot 1443: Pink Spinel, Pink Sapphire and Diamond Ring | 12.89 克拉 天然 「越南」未經加熱 粉紅色尖晶石 配 粉紅色剛玉 及 鑽石 戒指

pink spinel, pink sapphire and diamond ring | 12.89 克拉 天然 「越南」未經加熱 粉紅色尖晶石 配 粉紅色剛玉 及 鑽石 戒指

Collet-set with a cushion-shaped spinel, accented by circular-cut rubies and embellished with single- and rose-cut diamonds.

Collet-set with a cushion-shaped spinel, accented by circular-cut rubies and embellished with single- and rose-cut diamonds. Spinel weighing 5.28 caratsSize 6 ½French import mark for 18 karat goldAccompanied by GRS report no. GRS2021-011090, dated 11 January 2021, stating that the spinel is of Burmese origin, with no indications of heatingGross weight approximately 14 grams

View 1 of Lot 1438: Spinel, Ruby and Diamond Ring | 5.28 克拉 尖晶石 配 紅寶石 及 鑽石 戒指

spinel, ruby and diamond ring | 5.28 克拉 尖晶石 配 紅寶石 及 鑽石 戒指

Set with an oval pink spinel weighing 4.08 carats, circular-cut rubies and brilliant-cut diamonds.

Set with an oval pink spinel weighing 4.08 carats, circular-cut rubies and brilliant-cut diamonds. Rubies estimated to weigh a total of 0.60-0.70 caratDiamonds estimated to weigh a total of 0.20-0.30 carat18 karat pink goldSize 5½Accompanied by GRS report no. GRS2026-058773 dated 5 June 2026, stating that the spinel weighing 4.08 carats of Tanzanian origin, with no indications of thermal treatment

View 1 of Lot 1501: Pink Spinel, Ruby and Diamond Ring | 4.08克拉 天然「坦桑尼亞」未經加熱粉紅色尖晶石 配 紅寶石 及 鑽石 戒指

pink spinel, ruby and diamond ring | 4.08克拉 天然「坦桑尼亞」未經加熱粉紅色尖晶石 配 紅寶石 及 鑽石 戒指

High Jewelry

Set with a cushion-shaped spinel weighing 21.36 carats and brilliant-cut diamonds, 18 karat and yellow gold.

Set with a cushion-shaped spinel weighing 21.36 carats and brilliant-cut diamonds, 18 karat and yellow gold. Approximate Gross Weight: 15 grams Approximate Size: 6 AGL report no. 1115120, 27 April 2022: 21.36 carats, Classic™ Tanzania, None SSEF report: 21.36 carats, Tanzanian, no indications of heating

View 1 of Lot 1782: Spinel and Diamond Ring | 21.36克拉 天然「坦桑尼亞」未經加熱尖晶石 配 鑽石 戒指 

spinel and diamond ring | 21.36克拉 天然「坦桑尼亞」未經加熱尖晶石 配 鑽石 戒指

Set with a step-cut spinel weighing 4.52 carats, trapeze-shaped and baguette diamonds.

Set with a step-cut spinel weighing 4.52 carats, trapeze-shaped and baguette diamonds. Diamonds estimated to weigh a total of approximately 1.00-1.50 carats18 karat white goldSize 6Further accompanied by GRS report no. GRS2026-032063 dated 6 May 2026, stating that the spinel is of Burmese origin, with no indications of thermal treatment

View 1 of Lot 1448: Spinel and Diamond Ring | 4.52克拉 天然「緬甸」 未經加熱尖晶石  配 鑽石戒指

spinel and diamond ring | 4.52克拉 天然「緬甸」 未經加熱尖晶石 配 鑽石戒指

Set with a cushion-shaped pink spinel weighing 6.01 carats and trapeze-shaped diamonds.

Set with a cushion-shaped pink spinel weighing 6.01 carats and trapeze-shaped diamonds. 18 karat white goldSize 7Accompanied by Gübelin report no. 26061210 dated 14 July 2026 stating that the spinel is with no indications of heating

View 1 of Lot 1521: Pink Spinel and Diamond Ring | 6.01克拉 天然「坦桑尼亞」未經加熱粉紅色尖晶石 配 鑽石 戒指 

pink spinel and diamond ring | 6.01克拉 天然「坦桑尼亞」未經加熱粉紅色尖晶石 配 鑽石 戒指

Set with a pear-shaped spinel weighing 7.09 carats and brilliant-cut diamonds.

Set with a pear-shaped spinel weighing 7.09 carats and brilliant-cut diamonds. Diamonds estimated to weigh a total of approximately 1.50-1.70 carats18 karat yellow goldSize 6½Accompanied by AGL report no. 1159021, dated 14 August 2026, stating that the spinel is of Burmese origin, with no gemological evidence of heat and additional enhancement

View 1 of Lot 1503: Spinel and Diamond Ring | 7.09克拉 天然「緬甸」未經加熱尖晶石 配 鑽石 戒指

spinel and diamond ring | 7.09克拉 天然「緬甸」未經加熱尖晶石 配 鑽石 戒指

Composed of cushion shaped Burmese spinel, accented by round brilliant cut diamonds.<ul><li>Burmese spinel weighing a total of 2.14 carats</li><li>Diamonds weighing a total of approximately 0.25 carat</li><li>18 karat white gold</li><li>Total weight 3.33 grams</li><li>Diameter ⅜ inch</li><li>Accompanied by GIA report no. 6237465359, dated 6 January 2025, stating that the 0.99 and 1.15 carat spinels are of Burma (Myanmar) origin and show No Indications of Heating</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 2.14ctw Burmese Spinel and Diamond Stud Earrings

Centering a cushion-cut spinel, surrounded by round diamonds.<ul><li>Spinel weighing approximately 2.10 carats</li><li>Marked 750</li><li>18 karat white gold</li><li>Total weight&nbsp;5.6&nbsp;grams</li><li>Size 8¼, motif measures 12.4 x 11.1mm</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 2.10ct Spinel and Diamond Ring

Centering a cushion shaped spinel, accented by round brilliant cut diamonds.<ul><li>Spinel weighing approximately 3.00 carats</li><li>Diamonds weighing a total of approximately 0.60 carat</li><li>Platinum</li><li>Total weight 8.84 grams</li><li>Size 7¾</li><li>Accompanied by one Sotheby's box</li><li>Accompanied by GIA report no.5232023904, dated 02 August 2023, stating that spinel is natural with no indications of heating</li></ul>

Platinum, Spinel and Diamond Ring

Centering a cushion cut Burmese Spinel, accented by round brilliant cut diamonds and suspended from a chain.<ul><li>Burmese spinel weighing 1.78 carats</li><li>Diamonds weighing a total of approximately 0.25 carat</li><li>18 karat white gold</li><li>Total weight 3.61 grams</li><li>Pendant diameter ⅜ inch; Chain length 17½ - 20 inches</li><li>Accompanied by GIA report no. 6234406244, dated 1 October 2024, stating that the 1.78 carat Spinel is Burma (Myanmar) origin and shows No Indications of Heating</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.78ct Burmese Spinel and Diamond Pendant Necklace

<ul><li>Sertie d'un spinelle ovale pesant 2.04 carats dans un entourage de diamants taille brillant</li><li>Tour de doigt 54</li><li>Poinçon français pour l'or 18K (750°/00), poinçon de maître partiel</li><li>Poids brut 3.99 g</li><li>Accompagnée d'un certificat GCI no. 2411SNR0542, en date du 16 novembre 2024, indiquant l'origine naturelle et l'absence de traitement pour ce spinelle </li></ul> <ul><li>Claw-set with an oval spinel weighing 2.04 carats surrounded by brilliant-cut diamonds</li><li>Size 54</li><li>French assay mark for 18 carat gold, partial maker's mark</li><li>Gross weight 3.99 grams</li><li>Accompanied by a GCI report no. 2411SNR0542, dated 16 November 2024, stating that the spinel is of natural origin with no indications of treatment</li></ul>

Bague spinelle et diamants | Spinel and diamond ring

Centering a cushion-shaped red Burma spinel and accented by round brilliant-cut diamonds.<ul><li>Burma spinel weighing 10.39 carats</li><li>Diamonds weighing a total of approximately 1.00 carat</li><li>18 karat white and rose gold</li><li>Total weight 6.10 grams</li><li>Size 5½</li><li>Accompanied by Gubelin report no. 16062008, dated 28 June 2016, stating that the 10.39 carat red spinel is of Burma origin and shows no indications of heating</li></ul>

Rose Gold, White Gold, 10.39ct Burmese Spinel and Diamond Ring

Composed of cushion shaped Burmese spinels, accented by marquise and round brilliant cut diamonds, enhanced by round cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">rubies</a>.<ul><li>Cushion cut Burmese spinels weighing 2.06 carats and 2.01 carats</li><li><a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">Rubies</a> weighing a total of approximately 0.55 carat</li><li>Diamonds weighing a total of approximately 1.95 carats</li><li>18 karat white gold</li><li>Total weight 7.70 grams</li><li>Length 1 inch, width ½ inch</li><li>Accompanied by GIA report no. 6472268537, dated 15 August 2023, stating that the 2.01 carat spinel is of Burmese origin and shows no indications of heating</li><li>Accompanied by GIA report no. 1473268524, dated 16 August 2023, stating that the 2.06 carat spinel is of Burmese origin and shows no indications of heating</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 4.07ctw Burmese Spinel, Ruby and Diamond Drop Earrings

Composed of pear shaped rubellite tourmalines, accented by round shaped pink spinels, and enhanced by round brilliant cut diamonds.<ul><li>Rubellite tourmaline weighing a total of approximately 25.15 carats</li><li>Pink spinel weighing a total of approxiamtely 2.45 carats</li><li>Diamonds weighing a total of approximately 0.50 carats</li><li>18 karat white gold</li><li>Total weight 13.48 grams</li><li>Length 1¾ inches, width ¾ inches</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, Rubellite Tourmaline, Spinel and Diamond Drop Earrings

Set with an oval-shaped spinel.<ul><li>Spinel weighs approximately 3.50 carats</li><li>18 karat yellow gold</li><li>Total weight 4.5 grams</li><li>Size 6¼</li><li>Accompanied by one Sotheby's box</li></ul>

Results for "SPINEL"