White Sapphire Heart 6mmDescriptions White Sapphire, also known as Leucosapphire, is actually colorless and the purest form of Corundum, lacking additional trace minerals that color other Sapphires. It is less in demand than other Sapphires and reasonably inexpensive, and is often used as a Diamond substitute, usually as smaller stones. This listing includes 1 Stone per order Color: Colorless Transparency: TransparentShape: Faceted Heart Total carat weight: 1. 0ctStone Size