A 22.46-carat rectangular-cut E-color diamond ring by David Webb sold above its estimate for $1.87 million, or $83,500 per carat, at Christie’s New York Important Jewels auction Tuesday. It was one of ...

Washington, D.C. (7News) — Washington, D.C. (7News) -- Gabriela Farfan, Coralyn Whitney Curator of Gems and Minerals at the Smithsonian National Museum of Natural History joined Good Morning ...

From rare purple diamond discoveries to record-breaking sales, Paris Couture Week kicks off with a bang as new first-of-its-kind report presents the world's most coveted and rarest fancy colour ...

Natural History Museum of Los Angeles County is bringing together rare colored gems never before seen in the United States inside the museum’s Gem and Mineral Hall in an exhibition titled “Diamonds: ...

Diamonds come in a range of colours from faint yellow or brown, through to very rare pinks, blues, greens and other colours known as fancies. The best colour for a diamond is no colour, i.e. a diamond ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

These tinted diamonds make up just 0.01 percent of all natural diamonds mined, appearing in shades of pink, blue, yellow, green, and even red. Since 2005, pink diamonds have increased in value by ...

Deformation, impurities, radiation — many factors lend unexpected color to a diamond. By C. Claiborne Ray A. In diamonds, unexpected colors may arise in a variety of ways. These include small and ...