A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented by auction ...

If 'The Golconda Blue' went to auction it would have been the largest fancy vivid blue diamond to have been presented at a ...

The popularity of synthetic stones has sent the market ... With a raft of buzzy lab-grown diamond brands like Blue Nile, Grown Brilliance and Dorsey and with establishment names like Jennifer ...

In their project, reported in the journal Nature Materials, the group developed a process that involves heating and compressing graphite to create synthetic diamonds. Diamonds are a prized gem the ...

In a sea of jewels, one particular stone has been stealing the show. A rare 10-carat Mediterranean blue diamond from South Africa was on display in an exhibit featuring $100 million worth of the ...

A Sotheby’s staff holds "The Mediterranean Blue" diamond during an auction preview in Geneva 32,963 people played the daily Crossword recently. Can you solve it faster than others?32,963 people ...

Mediterranean Blue Diamond' Could Fetch $20 Million at Auction GENEVA (Reuters) -A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented ...