Emeralds, rubies and the likes are referred to as colored gemstones by experts. They sparkle and shine with varying intensity, depending on the cut. A new machine can achieve the best possible cut and ...

Forbes contributors publish independent expert analyses and insights. Kate Matthams Spencer is a Paris-based writer who covers jewelry. When entrepreneur Olga Pekarevskaia was looking for a new way to ...

TUCSON - Visitors to the JCK Gem Show were treated to a live gem cutting demonstration on Thursday. Gem cutter, Roger Dery, showed onlookers what it looks like to cut gemstones. It was a behind the ...

Sponsored by Monday Properties and written by ARLnow, Startup Monday is a weekly column that highlights Arlington-based startups, founders, and local tech news. Monday Properties is proudly featuring ...

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?