Geneva — An exceptionally rare blue diamond went under the hammer in Geneva Tuesday, selling for almost $44 million, making it one of the most expensive diamonds ever sold at auction, Christie's said.

In Echoes of the Earth, Rhea Poddar Loyalka redefines gemstone jewellery as a poetic homage to nature’s raw beauty. Think hand-carved tourmalines, spring-set leaves, and rare gems like Australian ...

Christie's next month will sell The Eden Rose, a rare internally flawless 10.2-carat brilliant-cut pink diamond that takes its name from a flower symbolizing unconditional love. The strikingly perfect ...

A rare blue diamond showcased earlier in Abu Dhabi has sold for $21.5 million (Dh77 million) at a Sotheby's auction in Geneva. The auction kicked off at $10.8 million, quickly going up to the final ...

Two world records were set today (June 8) when a ruby and pink gemstone sold for $34.8 million each at Sotheby's, making them the most expensive colored gemstone and purplish-pink diamond ever sold.

Using the scientific precision of terms like “IF Type IIa”— to describe diamonds so pure they show no inclusions under 10x magnification — jewelry purveyors have long placed heavy emphasis on the ...