One cushion-shaped colour-changing spinel, 10.97 carats
Brilliant-cut diamonds in the surround and the shank, totalling approximately 2.70 carats
18 karat white gold
Size 6½
(10.97-carat Spinel) Gübelin report, numbered 18031239, dated 16 April 2018, Vietnam, no indications of heating, colour-change from bluish-violet to purple.
附 瑞士Gübelin 證書
613
A Colour-change Spinel and Diamond Ring
Size 6½
Estimate HK$200,000 - 240,000 $25,000-30,000
Sold for HK$225,000
Contact Specialist Terry Chu
Head of Jewellery, Asia, Senior Director
+852 2318 2038