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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

You’re an actor or about to propose to one. What kind of engagement ring are you going to get your stunning bride-to-be?

That was the pleasant problem recently facing George Clooney, Brad Pitt, Kanye West, Ashton Kutcher, Justin Theroux, and Romain Dauriac, just to name a few. Their engagement ring choices garnered a lot of press, so lets take a closer look at what these men of means picked, and provide a bit of gemological commentary. (more…)

Like the famous Elizabeth Taylor Diamond, the Taylor-Burton Diamond was another of Richard Burton’s extravagant gifts to wife Elizabeth Taylor during their public and tumultuous marriages. The couple’s emotionally-charged private life often drew as much attention as their movie roles, and their luxurious tastes, Taylor’s love for diamonds especially, were legendary. (more…)

In addition to Cullinan I and the already featured famous diamond Cullinan II, the 3,106 carat (ct) Cullinan rough also produced stones III-IX, plus 96 smaller diamonds. Asscher, the diamond cutting firm, retained these diamonds as payment for cutting and polishing the Cullinan rough. The government of South Africa purchased most of them and gave the diamonds to Queen Mary in 1910. (more…)

The Portuguese, a 127.01 carat Asscher cut diamond, was graded by GIA as VS1 clarity, M color, with Very Strong blue fluorescence. Photo: Chip Clark, Courtesy: Smithsonian Institution

Surprisingly, the 127.01 carat diamond called the Portuguese seems to have no connection to its namesake country. Legend claimed this diamond was found in the mid-1700s in Brazil and belonged to Portuguese royalty. However, there is no evidence to support this story. Instead, records indicate the diamond was found at the Premier Mine in Kimberley, South Africa, in 1910. (more…)

At 243.35 carat (ct), the Jubilee is one of the finest examples of a diamond of exceptional size and quality (not to be confused with the Golden Jubilee, a 545.67 ct brown diamond). (more…)

The Napoleon Diamond Necklace, in the Smithsonian National Museum of Natural History, is set with 234 diamonds weighing approximately 263 carats; the largest stone is about 10.40 carats. Photo: Chip Clark, Courtesy: Smithsonian Institution

historic diamond necklace was a gift from Napoléon Bonaparte to his second wife, Marie-Louise of the Austrian House of Hapsburg, Empress of France. The necklace was given to commemorate the birth of their son, Napoléon François Joseph Charles (also known as Napoleon II), in 1811. Following her death in 1847, the necklace remained in the family for several generations. (more…)

Legend says was pried from the eye of an idol in India in the 1700s by a deserter from the French army. Photo: M. Nachinkin, Courtesy: RIA Novosti

The Orlov, a large rose-cut diamond, has been described as being shaped like half of a pigeon’s egg. It is the fourth in our Famous Diamonds series. (more…)