ALEXANDRITE AND DIAMOND RING | 4.13克拉 天然 「巴西」未经處理亞歷山大變色石 配 鑽石 戒指

Set with an oval alexandrite weighing 4.13 carats, within a surround of marquise-shaped diamonds, mounted in 18 karat white gold, size 6½. 

Accompanied by two Gübelin reports no. 25071215, dated 28 July 2025 and no. 14051216, dated 13 June 2014, both stating that the alexandrite is of Brazilian origin, with no indications of treatment, displays a distinct colour-change.