Sapphire and Diamond Ring | 17.50克拉 天然「緬甸皇家藍」未經加熱藍寶石 配 鑽石 戒指

Centring on a cushion-shaped sapphire weighing 17.50 carats, decorated with marquise-shaped diamonds, size 6½.

Accompanied by Gübelin report no. 23101202, dated 8 November 2023, stating that the sapphire is of Burmese origin, with no indications of heating, trade colour royal blue. Further accompanied by Gübelin Appendix Letter stating that "The 17.50ct natural sapphire described...displays a homogeneous and richly saturated royal blue colour, which typifies the finest of these gems. The depth of colour, combined with a high clarity and brilliance,...The shape and finely proportioned cut provide vivid internal reflections. In addition, this remarkable gemstone has been spared thermal treatment. Such a combination of characteristics is very rare in Burmese sapphires of this size." Also accompanied by Gübelin Gemstone Rating Card stating that the sapphire is exceptional and scores 96.3 Gübelin points.

Also accompanied by a gemmological report.