Thursday, June 04, 2009

More Big Blue Diamonds Up For Auction

At auction over the past six months blue diamonds have been hot. Since the record-setting sale of the Wittelsbach diamond, more blue diamonds have been seeing strong results on the auction block. Christie's New York Jewels Sale on June 11 will include four blue diamonds. Natural blue diamonds are among the rarest of colored diamonds, getting their blue shading from the introduction of boron into the crystal structure of the stone during its formation. Blue diamonds including the famous Hope diamond belong to the extremely rare Type IIb category of diamonds and are semi-conductors of electricity, the only diamonds with that characteristic. The Christie's sale will offer a superb fancy intense blue pear-shaped internally flawless diamond of 6.29 carats estimated at $3.3 – 5.5 million and a fancy dark gray-blue rectangular-cut diamond ring, SI2 clarity, of 3.28 carats estimated at $250,000-350,000. The showstopper is a diamond pendant necklace that puts two fancy intense blue pear-shaped rose-cut diamonds of 5.01 and 2.03 carats on either side of a fancy intense pink hexagonal-cut diamond of 3.01 carats on a platinum chain. The price hasn't been listed for the piece but it should be the top lot in the auction.

 

Posted via email from Whiteflash Diamonds posterous

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