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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…)

July Birthstone: Where Do Rubies Come From?

The world loves rubies! These beautiful gems can command the highest per-carat price of any colored stone and they routinely break auction records. So, let’s find out where the July birthstone comes from! (more…)

March Birthstone: Where Does Aquamarine Come From?

Aquamarine, the March birthstone, is said to bring happiness to a marriage, calm waves, and keep sailors safe at sea: not surprising for a gem named after seawater. Aquamarine’s tranquil blues conjure peaceful waters and smooth sailing – unlike the often dry and desolate places where it is mined. (more…)