Platinum Oval 40.36ct Double Cabochon Natural Blue Star Sapphire and Diamond Ring, the 40.36ct Star Sapphire flanked by two near colorless tapered baguettes 0.56ct, with GIA Report No. 2231341383 stating Natural Blue Star Sapphire, Sri Lanka, no indications of heating, measuring 19.84 x 15.80 x 11.90mm, displays asterism. Gross weight 17.23g

Size 4

Provenance: The Estate of Carole P. Webster, Nantucket Island, Massachusetts