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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…)

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…)

The Beauty of Birthstones Connects Us All

Everyone has a birthstone. Do you know what yours is?

GIA is showcasing birthstones in a big way at the Carlsbad campus with a special exhibit running through spring 2013. The GIA Museum team strives to provide incredible shows that will appeal to everyone. It is fascinating to not only learn about your own birthstone, but your friends’ and family members’ too! (more…)

All About Birthstones: Tanzanite in December

Tanzanite, the December alternate to turquoise and zircon, was not discovered until 1967, so it is a relative newcomer to the list of birthstones. It is named for the one country on earth where it is currently found: Tanzania, in eastern Africa.  Although discovered by others, Tiffany & Co. deserves the credit for naming the gem and popularizing it beginning with a big publicity campaign in 1968. (more…)

GIA Celebrates Birthstones

If you want to learn more about your birthstone or enjoy browsing some spectacular gems, be sure to make your way to the “GIA Celebrates Birthstone” exhibit at GIA Headquarters in Carlsbad, California. Whether browsing a variety of polished gems, or taking in some of the spectacular jewelry on display, you won’t want to miss this rare opportunity. (more…)