Blue diamonds are rarer and more expensive than white diamonds, according to How Stuff Works. Less than 1 percent of all diamonds are blue and they are rarely put up for sale.
The blue hue comes from boron atoms intermixed with the carbon atoms that makeup the diamonds. In April 2013, a blue diamond broke the world record for the price of a diamond per carat after it fetched $1.8 million per carat at an auction. The previous record was for $1.68 million per carat. Later, in Nov. 2013, the blue diamond’s record was broken by an even rarer pink diamond.Learn More
Real diamonds are more transparent and efficient at conducting heat than moissanite and cubic zirconia stones. Under magnification, real diamonds refract differently than their fake counterparts and have minute physical differences, such as natural inclusions and a different texture.Full Answer >
Diamond cleavage is a straight-lined crack in a cut diamond. Diamond cleavage is one of many inclusions, or flaws, that reduce the value of a diamond. Diamond cleavage reduces the value of diamonds not only because it is a cosmetic flaw, but also because cleavage can eventually lead to a break in the diamond.Full Answer >
Chocolate diamonds are simply brown diamonds that are marketed by Le Vian Corp under a registered trademark. Unlike other colored diamonds, brown diamonds are extremely common and are traditionally used for industrial purposes. In the past, jewelers have attempted to make brown diamonds seem desirable to customers, but the stones are not as rare as blue, red and green diamonds.Full Answer >
Diamonds are classified as minerals. Diamonds are a form of native carbons and are formed in the Earth's mantle, which is the layer below the crust.Full Answer >