Different gemstones have different colors because of their unique physical structure, gemstones have some special optical effects under illumination.1. Starlight effectThe arc-shaped convex gemstone is illuminated by a point source, and the surface of the gemstone exhibits an optical phenomenon of f

I wanted to buy a diamond ring, but finally persuaded by my girlfriend to buy a Moissan diamond ring. My girlfriend and I are also getting married. Before, I always thought that I would buy a diamond ring. I told my girlfriend that I would try to buy her a big one, at least one carat (to preserve t

A popular name for moissanite diamond is synthetic silicon carbide, which has the optical and physical properties of South African diamonds. The fire color is more than 2.5 times that of natural diamonds and synthetic diamonds. Its Mohs hardness is second only to diamonds, reaching an astonishing