since 1976
Rose-cut gemstones are gems with flat bottoms and domed checkerboard or faceted crowns. Many black gemstones, such as black spinel and black tourmaline are given a rose cut, to show off their luster. Also, some opaque gems,...
Size is approximate. Setting stones are hand-cut.
Cubic zirconia (CZ) is the cubic crystalline form of zirconium dioxide (ZrO2). The synthesized material is hard, optically flawless and usually colorless, but may be made in a variety of different colors. It should not be...