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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

17.96 ct, aquamarine

March’s aptly titled birthstone, aquamarine, grows in gorgeous crystals and sparkles like the ocean on a sun-kissed day. But do you know what to look for when shopping for aquamarine? (more…)

The Culllinan II, a 317.4-carat rectangular cushion cut, is set into the Imperial State Crown. - Courtesy Time & LIFE Pictures/Getty Images

The Cullinan II is a 317.40 carat (ct) cushion cut diamond and the centerpiece of the British Imperial State Crown. Do you know the history behind this beautiful diamond? (more…)

amethyst stone

Known for its majestic purple color, amethyst is the gemstone of choice for those born in February. (more…)

Egyptian bird pin

Vintage jewelry is experiencing a revival in popularity, perhaps inspired by a surge of period movies and shows like the PBS hit Downton Abbey. Art Nouveau in particular influences many contemporary jewelry designs today. The Art Nouveau design period lasted between 1890 and 1914, and was in many ways a response to the Industrial Revolution. (more…)

When the 57th President of the U.S. was sworn in on January 21st, many looked to First Lady Michelle Obama to set the stage for American fashion trends in 2013. The First Lady did not disappoint when she appeared at the inaugural ball in geode shaped diamond earrings and bangles by American designer Kimberly MacDonald. (more…)

opal gemstone

As passions ignite this month, a jewelry gift featuring a red gemstone is a token of love that can be enjoyed every day. While seen mostly in fashion jewelry, red gemstones are showing up as an option for the primary stone in engagement rings. Celebrities like Jessica Simpson, who sports a 5-carat ruby engagement ring, have been influential in bringing gemstones to the forefront of bridal trends. In addition to rubies, garnets and red diamonds, which we discussed yesterday, the following gemstones are more options for those looking to celebrate this Valentine’s Day with a gift of a spectacular red gem. (more…)