Sapphire Ring 18.03克拉 天然 未經加熱藍寶石 戒指

The oval sapphire weighing 18.03 carats, to a silver mount embellished with a blue enamel line, size 64, illustrated unmounted.

Accompanied by Gübelin reports no. 22107110 and no. 15111177, dated 21 October 2022 and 10 December 2015 respectively, and AGL report no. 115300, dated 15 January 2026, each stating that the sapphire shows no indications of heating, Gübelin stating Burmese origin, AGL stating Madagascan origin.