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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

December Birthstones: Where Do Turquoise, Tanzanite and Zircon Come From?

If you were born in December you have a lot to celebrate, including three December birthstones: turquoise, tanzanite and zircon. With a spectrum of colors to choose from, learning about where the sources of these gems will only add to their appeal. (more…)

Turquoise: December’s Birthstone, Loved for its Sky Blue Color

Those celebrating December birthdays are fortunate to have a few birthstones to choose from – zircon, tanzanite, blue topaz and lapis lazuli, among them. But one of the best known and most loved December gems is turquoise, a gem that has been mined and used for thousands of years. (more…)

GIA Celebrates Birthstones – Forget Me Not With Turquoise

Turquoise, the December birthstone, has a distinct blue or greenish-blue color because it contains copper, and is most commonly found in China and the U.S. southwestern states Arizona, New Mexico, Colorado and Nevada. (more…)