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Red diamonds get their color from the presence of a rare crystal distortion called plastic deformation, which causes the diamond to absorb green light and reflect red light, resulting in the beautiful red color.
The color of natural red diamonds can range from pinkish-red to deep blood red. The more intense and pure the red color of the diamond, the more valuable it is. Red diamonds are often cut in fancy shapes, such as pear, cushion, and radiant cuts, to showcase their unique color and maximize their beauty.
Red diamond fun fact: the only fancy colored diamond to only have one intensity grading from the GIA, Fancy Red.
Red diamonds are closest in color to fancy vivid and deep pink diamonds, but are more deeply saturated than pink diamonds.
Red diamonds tend to be a diamond collector's ultimate goal, with very few available over 1 carat. The value of a red diamond has consistently gone up each year, without exception due to supply and demand,
Due to their rarity and value, natural red diamonds can command extremely high prices at auction, with some of the most expensive red diamonds selling for tens of millions of dollars. The largest known red diamond is the 5.11-carat which sold for over $20 million at auction in 2001. There is no record of any other red diamond being larger than the 5.11. Most red diamonds we see are under 1.00 Carats.
Overall, natural red diamonds are an extremely rare and valuable type of diamond that offer a unique and special addition to any jewelry collection.
Most people you you will ask what is the rarest diamond and they will immediately say red, however educated collectors will know violet diamonds can be even more rare. Read about violet diamonds
