type iia diamond

Rare Type IIa Diamond For Sale At Sotheby's

Elizabeth Taylor once called one of her large diamond rings her ice skating rink, I can't imagine what she'd make of the gargantuan gem above. The emerald cut diamond, which weighs 52.82 carats, will be auctioned as part of the Sotheby's Geneva Spring 2010 sale of Magnificent Jewels and Noble Jewels at the Beau-Rivage Hotel on May 11, 2010. The extremely rare stone is rated a D flawless stone and evaluated as a type IIa diamond. Type IIa diamonds are also called Golconda diamonds named for the famous Indian mines that gave the world some of its first truly great diamonds in the 16th and 17th century. These stones, devoid of the nitrogen that can give diamonds a yellow tone are prized for their clarity and brilliance. This stone could bring in over $7 million. Other pieces up for sale include a pear-shaped fancy vivid blue diamond weighing 5.02 carats mounted in a ring aside a 5.42 carat white diamond and a cushion-shaped fancy intense blue diamond ring weighing 7.64 carats that has a presale estimate range of $4 million to $6 million.

Tags: geneva jewel sale, golconda diamonds, sothebys, type iia diamond

Evening Star Crowns Important Collector's Jewelry Sale

by Deidre Woollard (RSS feed) —

Filed under: Jewelry, Auctions

You have to be a very important collector to get your own sale at Christie's. Most collections are amassed into larger sales but a single owner collection of 10 jewels is set for December 10, is set for the same day as the New York Jewels sale at Christie's New York. This smaller sale features some big stones. The most important is the "Evening Star" diamond, a pear-shaped, 39-carat, D-color diamond mounted in a platinum pendant. This stone is a type IIa diamond the type which was found in India's famous ancient Golconda mines. It is certified to be VVS1 clarity and is accompanied by a working diagram indicating that the clarity may be potentially internally flawless.

The Evening Star alone is estimated at $3.6 million to $5.5 million. The name comes from the owner's habit of wearing the stone to evening galas. She wore the stone suspended from a diamond necklace that consisted of 68 graduated pear-shaped diamonds. That necklace is also for sale with an estimated value of $400,000 to $600,000. And to complete the parure you can pick up the matching pair of diamond ear pendants with two pear-shaped, D-color diamonds of 10.21 and 10.51 carats. The earrings which are also type IIa stones are estimated to bring in $1.7 million to $2.5 million.

Other diamond pieces in the sale include a diamond bracelet by Van Cleef and Arpels and a 36.78-carat, rectangular-cut, D-color, internally flawless diamond ring mounted in platinum with an estimated value of between $2.75 million and $3.5 million. If diamonds aren't your favorite you can bid on an a rare color-change alexandrite ring. The 3.6 carat stone show teal in daylight and purple in incandescent light.

[via National Jeweler]

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Tags: alexandrite, evening star diamond, EveningStarDiamond, golconda diamonds, GolcondaDiamonds, jewelry, rare diamonds, RareDiamonds, type iia diamond, TypeIiaDiamond