source : nationaljewelernetwork.com
April 01, 2010
The 0.82-carat, fancy purplish-red Argyle diamond is set into a ring and is flanked by a pair of fancy blue diamonds in a round brilliant-cut diamond surround, all mounted in platinum. Its value is estimated at between 700,000 and 1 million Australian dollars (between about $645,065 and $921,556) and will be accompanied by a letter from Argyle Diamonds attesting to its rarity.
Sotheby's said in a media release that despite the notable discovery of the Argyle pink diamond deposits in Western Australia, less than a handful of red diamonds have been discovered, and connoisseurs have long considered red diamonds to be among the most precious and rare of diamonds.
The April 12 sale will offer even more superb examples of colored stones, including a double strand of graduated emerald beads accented with diamond-set rondelles (estimated between $9,676 and $11,519), a sapphire and diamond ring (estimated between $23,034 and $32,248) and an emerald and diamond ring (estimated between $64,497 and $82,907). ...