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Color
Diamonds
The Brilliant Spectrum of Natural Colored Diamonds
Natural colored diamonds are among the rarest and most captivating treasures of the Earth. Their hues span the entire spectrum of the rainbow, offering a visual feast of diversity and depth. Unlike traditional colorless diamonds, most natural colored diamonds are not composed of a single, pure tone. Instead, they often feature fascinating blends—two, three, or even four colors in a single stone.
Diamonds with a pure, saturated hue—known as straight color diamonds—are incredibly rare. As with all rare commodities, their scarcity significantly drives their value, following the timeless principle of supply and demand.
Let’s explore the story behind each of the most notable diamond colors:
Yellow Diamonds
Yellow diamonds owe their sunny brilliance to nitrogen atoms within the crystal structure. The depth of yellow varies depending on the amount of nitrogen present. From soft champagne hues to vivid canary yellow, these diamonds radiate warmth and charm.
Pink Diamonds
Elegant and romantic, pink diamonds are highly sought after by collectors and celebrities alike. Their color is not caused by trace elements, but rather by intense geological pressure deep within the Earth that alters the diamond’s atomic structure, resulting in a mesmerizing pink hue.
Blue Diamonds
Blue diamonds are colored by boron within their crystal lattice. The higher the boron content, the deeper the shade of blue. However, high-saturation blue diamonds are exceedingly rare, and those with a pure, even tone are among the most prized in the world.
Green Diamonds
Green diamonds acquire their color through exposure to natural radiation, which alters the diamond’s surface or near-surface atoms. Most green diamonds display gray or brown undertones, making those with a pure green hue—from the surface all the way through—exceptionally rare.
Red Diamonds
Regarded as the rarest and most valuable of all colored diamonds, red diamonds are almost always under one carat in size. Their price per carat can soar into the hundreds of thousands of U.S. dollars. The world’s most famous and flawless example is the 5.11-carat Fancy Red Moussaieff Diamond, renowned for its unmatched beauty and internal perfection.
Brown Diamonds
Brown diamonds are the most commonly found colored diamonds. Their shades range from light to deep and rich. Initially considered fit only for industrial use when discovered in Australia’s Argyle Mine in the 1980s, they were later successfully rebranded for the jewelry market as “Cognac” and “Champagne” diamonds, making them a fashionable and more accessible choice for collectors.