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So far c4diamonds has created 68 blog entries.

Diamonds All Over the World

By | January 3rd, 2014|Uncategorized|0 Comments

photo via Flickr Researchers have published evidence that diamonds may exist in Antarctica due to the presence of kimberlites in the eastern part of the continent. The findings, which were published in Nature Communications, imply that diamonds could now be found on every continent. 120-Million-Year-Old Kimberlites Kimberlites are formed between 100 and 300 [...]

Investors Clamor for Large and Colored Diamonds

By | November 26th, 2013|Uncategorized|0 Comments

photo via Flickr In 2005, jeweler Laurence Graff purchased a 50.01-carat diamond for $4.2 million. He then sold it, but when the gem went on the market again in 2012, Graff had to pay $8.4 million to get it back. The fact that the price of an individual stone doubled over the course [...]

It’s Raining Diamonds

By | October 16th, 2013|Uncategorized|0 Comments

photo via Flickr Or rather, it would be if we were on Jupiter or Saturn. A pair of scientists recently announced that the two planets could be producing as many as 10 million tons of diamonds. They believe that large chunks of the precious stone are floating in the planets’ atmospheres and that, at lower [...]

EU Ends Sanctions on Diamonds from Zimbabwe

By | September 25th, 2013|Uncategorized|0 Comments

Zimbabwe Landscape | photo by MAZZALIARMADI.IT via Flickr.com An official statement released by the European Union confirms their decision to resume doing business with the Zimbabwe Mining Development Corporation, ending its ban on the importation of rough diamonds from the nation. Zimbabwe’s diamond exports were suspended under the Kimberley Process in 2009 due [...]

Diamonds Large and Small

By | September 9th, 2013|Uncategorized|0 Comments

118-carat White Diamond (AP Photo/Mary Altaffer) When it comes to diamonds, some people are all about clarity, some are all about shape, some are preoccupied with color, and others care about the cut. And more often than not, all of the above are obsessed with size. And size-wise, there's been big news in [...]

Rare Blue Diamonds Set to Sell for Millions

By | August 27th, 2013|Uncategorized|0 Comments

photo via M.S. Rau Antiques Blue diamonds are among the rarest of the fancy colored gemstones, and two of them are expected to sell for tens of millions of dollars in the coming weeks. The first is the Royal Blue--a 10.6-carat cut-cornered, modified brilliant cut diamond that is just one step away from [...]

India Could Be Sitting on Untouched Diamonds

By | August 16th, 2013|Uncategorized|0 Comments

photo by soundog via Flickr Roughly 100 miles underground, massive amounts of heat and pressure crystallize carbon into diamonds. The rough stones are then pushed toward the surface through small volcanic eruptions known as kimberlite eruptions, which seem to have stopped occurring 20 million years ago. It is from these kimberlite pipes that [...]

Online Diamond Sales are on the Rise

By | June 17th, 2013|Uncategorized|0 Comments

photo by William Warby (wwarby) | Flickr.com As wedding season fast approaches, engagement and wedding rings are hot commodities—but it’s not just physical jewelry stores that are enjoying the extra business. More and more people are instead turning to the Internet to buy diamonds and rings, and the online market for jewelry has [...]

A Diamond Is Forever…But It Wasn’t Always

By | June 3rd, 2013|Uncategorized|0 Comments

by Amber Zhai photo by Tela Chhe | Flickr.com The first request a woman’s friends make upon the announcement of her engagement is always the unfailing, “Let me see the ring!” It’s common knowledge now that engagement is synonymous with a ring, and many aspiring brides don’t even consider themselves engaged without a [...]