Bulgari

Sapphire and diamond ring, Bulgari

寶格麗 藍寶石及鑽石戒指

The cushion-shaped sapphire weighing 13.83 carats, between curved shoulders set with baguette diamonds, size 53, signed Bulgari. 

Accompanied by Gübelin report no. 21122017, stating that the sapphire is of Ceylon origin, with no indications of heating.