On Oct. 1, a Scottish collector's 8.03 ct. natural fancy light blue pear-shape diamond will become only the third blue ...

Sotheby’s and Christie’s will auction a strong collection of rare and important gemstones in New York just in time for the holidays, with both featuring a blue diamond ring as the top lot. On Dec. 4, ...

A Glasgow collector's pear-shaped stone is only the third blue diamond over 8 carats to be offered at auction in the UK, ...

"This is the most famous blue diamond that's coming up for sale for the first time ever in over 100 years." :: The boron in this diamond gives it its blue color and also makes it electro-conductive ...

Is the global turmoil driving sales of portable assets? Or is it just a love of rare jewels? By Jill Newman Alisa Moussaieff was in her London office on May 14, having lunch and bidding over the phone ...

‘Once in a lifetime’ blue diamond ring expected to fetch up to £2 million at auction - The pear-shaped diamond ring is being ...

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A 51% price drop, a lab-grown takeover of the bridal market, and a two-tier split that leaves mid-range natural stones most ...