Cultured Pearl(Moti) Gemstone Unshape crystal is a natural or cultured bead made from the mantle tissue of an oyster. These crystals are prized for their luster, smoothness, and iridescent appearance, making them popular in jewelry and accessories. Cultured Pearl Gemstone Detail: Shape: Unshape Weight: 6.00 Cts. Certificate No.: 070922/319826