Ultra wealthy Indians are increasingly placing their bets on pink, blue and yellow diamonds, embracing the rare stones as both eye-catching statement jewellery and long-term investment assets.

In Geneva, sales at the three auction houses totaled $145,934,377, including $77,703,074 at Christie’s Magnificent Jewels; $46,531,921 at Sotheby’s Magnificent and Noble Jewels; and $21,699,382 at ...

Fancy colored diamonds made their mark at Christie’s Magnificent Jewels sale, held Tuesday in New York. The top lot of the sale was “The Eden Rose,” a 10.2-carat internally flawless round brilliant ...

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 ...

Fancy colored diamonds and important gemstones led Sotheby’s High Jewelry Sale in Geneva, though the event’s anticipated star never made it to the block. The Glowing Rose—a 10.08-carat cushion-shaped ...

On Wednesday, a blue diamond at a Hong Kong auction house achieved one of the highest prices for any diamond on the open market. The "De Beers Blue" diamond sold for $57.5 million, Sothebys auction ...

Pink diamonds are some of the rarest gems you'll find on the planet. In fact, these diamonds are so rare that a single mine in Australia has been the source of almost 90 percent of the colored ...

One of the most valuable blue diamonds to ever feature at an auction could sell for more than $48 million, according to Sotheby’s. Named “The De Beers Cullinan Blue,” it is the biggest vivid blue ...

Elton Santos receives funding from EPSRC, Royal Society, and is affiliated with the Donostia International Physics Center, San Sebastián, Spain. Diamonds might be forever but that doesn’t stop them ...