Falling demand and prices have stripped diamonds of much of their luster from the past century. The popularity of these ...

“Many famous costume jewelry brands never used precious metals or gemstones, so simply seeing the brand stamp will be a definitive clue,” Harris says. Breathe on the stone. “A real diamond ...

As long as we can distinguish between LGD and the real thing, there will still be a natural diamond market. Coloured stones and high-end jewelry are both doing well.” Faerber elaborated ...