See full version: What Color Diamond Is The Rarest And Most Expensive
For example, most white diamonds are discounted in price when more yellow hue is detectable, while intense pink diamonds or blue diamonds (such as the Hope Diamond) can be dramatically more valuable. Of all colored diamonds, red diamonds are the rarest.
Do Black Diamonds sparkle? Yes, but not in the way a white diamond does. That’s because, unlike white diamonds, black diamonds are not see-through. As a result, these black gems glitter with a metallic kind of shine, instead of a refractive firework sparkle.
A 1 carat fancy green diamond can be sold for $50,000-$100,000 per carat; fancy intense–$150,000-$200,000 per carat; and the price of a fancy vivid green diamond starts at over $300,000 per carat. here
Are yellow diamonds more expensive? Fancy yellow diamonds are usually more expensive than white diamonds, but are often significantly less expensive than other fancy colored diamonds: A 0.7 carat cushion cut white diamond may be around $1,500. A 0.7 carat fancy vivid yellow diamond may be around $6,500.
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To tell if your diamond is real, place the stone in front of your mouth and, like a mirror, fog it up with your breath. If the stone stays fogged for a few seconds, then it’s probably a fake. A real diamond won’t fog up easily since the condensation doesn’t stick to the surface.
A sparkle test is quick and easy to do since all you need are your eyes. Simply hold your diamond under a normal lamp and observe the bright shimmers of light bouncing off the diamond. A real diamond provides an exceptional sparkle since it reflects white light extremely well. [links]
Diamond color is measured using Gemological Institute of America, or GIA color scale which goes from D (colorless) all the way to Z (light yellow or brown in color). Between D and Z (the normal color range), there are numerous diamond color grades, ranging from near colorless to slightly yellow. more
When it comes to color, there is a line where you notice whether the diamond is clear or whether it has a yellowish tint. Your goal should be to make sure you don’t buy a diamond with a yellowish tint so low that you notice it. That line between yellowish and clear varies based on the shape of the diamond and the style setting you are putting the diamond in. We get into that below.
This is because when slight coloring is present, less natural color of the light is reflected back to the eye. The more colorless a diamond is, generally the more radiant, valuable, and rare it is as well. [links]
Normally a J or K color could have a yellowish tint. However, since it’s contrasted to something darker (the yellow or rose gold) it appears clear and vibrant. On the other hand, here is a similar K color diamond in a halo setting. As you can see, the result is underwhelming.
A 2.02 ct Fancy Intense yellow diamond is rare, and this will be reflected in the price for this ring. Two trilliant cut diamonds flank it. Courtesy: EraGem.com [links]
Brown diamonds were typically reserved for industrial use until the 1980s, when Australia’s Argyle mine began to produce attractive browns in abundant quantities. Savvy marketers dubbed them “cognac,” “champagne” and other appealing names that helped create demand for brown diamonds with the jewelry buying public. [links]
Think the popularity of diamond rings is a new thing? This antique diamond ring is from the late 18th century. Courtesy: Rijksmuseum, Amsterdam
Colored diamonds take the question, “Are diamonds rare?” to the extreme. Most of these spectacular beauties are far rarer than diamonds in the GIA D-to-Z color range. Some experts estimate that fancy-color diamonds represent only two percent of total rough diamond production. here
Toast to this 7.01 ct heart shaped Fancy Dark yellowish brown diamond and platinum ring accented by 16 round brilliant diamonds. Courtesy: 1stdibs.com [links]
Carbon is a fairly common mineral in nature. But to crystallize as a diamond, carbon must be subjected to the extremely high temperature and pressure conditions that exist deep beneath the earth’s surface, in the mantle. Under these conditions, each carbon atom forms short, strong bonds with four adjacent carbon atoms. Graphite, another form of carbon, crystalizes at lower temperatures and pressures in the earth’s crust, so its crystal structure is very different. The result is that graphite, which is used in pencils, is so soft you can write with it, while diamond is so hard you can only scratch it with another diamond.