5.03 ct. Untreated Blue Sapphire BURMA, MYANMAR

Cushion cut : The cushion cut is a rather rare cut that could be defined as a combination between the antique Old Mine Cut and the modern oval cut.
Carat : The carat (ct) is a unit of mass equal to 2 g. Carat is used for measuring the weight of gemstones.
Sapphire : Sapphire is a gemstone of the family of the mineral corundum. The most famous color for Sapphire is blue, but trace amounts of other elements can give yellow, purple, orange, or greenish sapphires. In the case of chromium impurities in corundum it would be called a called a Ruby. Sapphires are found in Sri Lanka, Myanmar or Australia.