Daffodil yellow and blue diamonds star at Geneva auctions

Wed May 7, 2014 10:19am EDT
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By Stephanie Nebehay

GENEVA (Reuters) - Huge yellow and blue diamonds are expected to fetch strong prices at Geneva jewelry sales next week, as investors seek rare stones fresh to a healthy market, auction houses said on Wednesday.

The "Graff Vivid Yellow", star lot at Sotheby's on May 13, is a yellow diamond weighing 100.09 carats that was cut by the London-based top jeweler Laurence Graff.

"Once it gets to 100 carats it's into the realm of extreme rarity," David Bennett, chairman of Sotheby's jewelry department for Europe and the Middle East, told Reuters.

"It is this extraordinary deep daffodil yellow. It is a charming stone, full of life, full of color," he said in an interview in the showroom where the jewels were displayed.

Sotheby's estimates that the yellow cushion-shaped diamond, whose owner is not being identified, will fetch $15-$25 million.

A white round diamond of 103.46 carats, also cut by Graff and described by Sotheby's as one of the largest brilliant-cut diamonds in the world, is also going on the block with an estimate of $3.5-$5 million.

"It has the wow factor," Bennett said of the stone mounted on a ring, which has toured the world to attract bidders.

A smaller but stunning 31.34-carat white diamond, "The Victory Diamond" which belonged to Florence Gould, daughter-in-law of the American railroad magnate Jay Gould, is estimated at $5-$8 million.   Continued...

A model poses with a vivid yellow 100.09 carats diamond (L) and a 103.46 carats diamond ring during an auction preview at Sotheby's in Geneva May 7, 2014.  REUTERS/Denis Balibouse