White Star is a 10 karat White Gold Linde Star Sapphire Man’s Mid Century Ring. This 10 karat White Gold Ring has two finishes to the Gold. The front facing has a textured finish while the back half has a polished finish. The 1.50 carat oval Linde Star (synthetic Sapphire) is bezel set in the textured finish. Hallmarked “10KW”. Size 9 3/4″. Circa 1960’s.