Hessonite Garnet Round 4 - International Gem Society

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Mozambique rubies have drawn the attention of gem and jewelry lovers and investors. Learn what makes these African gems so appealing.

What tales could gems tell? Jeffery Bergman reviews Precious — The History and Mystery of Gems Across Time, a new book by Helen Molesworth.

How much are rubies worth? The best rubies are some of the most expensive colored gemstones on the market. One example is the 55.22 ct. Estrela de…

Is fei cui a better term for “pyroxene jade” than jadeite? Jeffery Bergman reviews Broken Bangle, a new book on the history of jade names.

Radiant cut diamond rings combine the best traits of the round and princess cut diamonds, but are 20-40% cheaper than the popular round diamond.…

Tourmaline was found in many 2024 Las Vegas gem show booths, with some selling unset gems while others offering beautiful ready-to-wear pieces.…

The explosive growth in the market for lab grown diamonds has raised important questions about its relationship to the market for natural diamonds.…

Spinel has been on quite a dramatic ride! Confused with corundum for centuries, it was only identified as an independent species of gemstone in…

As a December birthstone, blue zircon is very popular. But are blue zircons natural? Learn how zircons form and get their colors.

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