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 ...

Rubies, emeralds and tourmalines can only sparkle with the right cut. Since early this year, a fully automatic machine has undertaken this grinding process one gem cutter. It saves up to 30 percent of ...

Jean-Noel Soni, who specializes in colored stones, said he tries to give each one a shape that “maintains the crystal’s integrity.” By Tanya Dukes When Lauren Schmeer, a strategy consultant in New ...

HONG KONG (Reuters) - Standing alongside glass cases filled with diamonds, rubies, sapphires and other stones on display at an international jewelry fair in Hong Kong, gem buyers discuss what they ...