Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity and ...
The portrait cut, which produces a thin, flat stone, has enchanted a new generation of designers and clients. By Tanya Dukes The main attraction of any diamond is its eye-catching sparkle. Or is it?