COLOUR-CHANGE SAPPHIRE AND DIAMOND RING | 7.59克拉 天然 「東非」未經加熱變色藍寶石 配 鑽石 戒指

Set with a colour-change sapphire weighing 7.59 carats, within surrounds of pear-shaped blue, purple sapphires, rose-cut and briolette diamonds, to the brilliant-cut diamond-set shoulders, mounted in 18 karat white gold, size 6¼.

Accompanied by Gübelin report no. 24111079, dated 14 December 2024, stating that the colour-change sapphire is of East African origin, with no indications of heating.