THE DIAMOND: 5 Cs -- Cost, Carat, Clarity, Color, and Cut

THE DIAMOND: 5 Cs -- Cost, Carats, Clarity, Color, and Cut. Includes the guide how to buy a diamond, the physics of diamond, “Diamond 4Cs Magic Box” for simultaneous evaluation of the 4Cs, a Stefan’s invention based on Raman scattering of multi laser beams off a diamond to be graded, and an account of the laboratory created diamonds.