20 mai 2019
Important sapphire and diamond ring, Tabbah
Lot 2057. Important 12.87 carats 'royal blue' Kashmir sapphire and diamond ring, Tabbah. Estimate HK$13,500,000 - HK$18,000,000 (US$1,700,000-2,200,000). © Christie's Image Ltd 2019
Cushion-shaped sapphire of 12.87 carats, circular, pear and marquise-cut diamonds, platinum, ring size 8½, signed Tabbah.
SSEF, 2019, report no. 105756: 12.872 carats, Kashmir, no indications of heating, 'royal blue', Appendix Letter
AGL, 2019, report no. 1098002: 12.87 carats, Kashmir, no gemological evidence of heat, no clarity enhancement, JewelFolio
Christie's. Hong Kong Magnificent Jewels, Hong Kong, 28 May 2019
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