1950's No Heat Ceylon Blue Sapphire Diamond Cocktail Ring Stock # 38603 1950's cocktail ring featuring a Blue Ceylon Sapphire that has been certified by the GIA. The oval sapphire has not had any treatment or heat used to enhance the color. The sapphire is approximately 5.5 carats and is surrounded by 12 emerald cut and 2 marquise cut near colorless diamonds (1.34 CTW). The ring is handcrafted in 18 karat white gold, the top measures approximately 19 x 19mm, and is currently finger size 6.5 (can be sized). Details GIA Report 1206707456 Name 1950's No Heat Ceylon Blue Sapphire Diamond Cocktail Ring Stock Number 38603 Department Estate Type Ring Sub Type Diamond Rings, Gemstone, Modern Engagement Rings Style Diamond, gemstone, Sapphire Material 18K White Gold