SAPPHIRE AND DIAMOND RING | 12.31克拉 天然 「緬甸」未經加熱藍寶石 配 鑽石 戒指

Set with an oval sapphire weighing 12.31 carats, decorated with old European- and brilliant-cut diamonds, mounted in platinum and 18 karat white gold, size 8, with French import assay marks.

Accompanied by Gübelin report no. 25071379, dated 6 August 2025, stating that the sapphire is of Burmese origin, with no indications of heating.