Fine Fancy Intense Pink diamond ring. photo courtesy Sothebys The pear-shaped fancy intense pink diamond weighing 4.59 carats, flanked by similarly shaped stones, mounted in platinum and pink gold, size 52. Est. 1,150,000—2,150,000 CHF. Lot Sold 2,770,500...

Very light pink diamond and pink diamond ring. photo courtesy Sotheby's Centring on an cut-cornered rectangular step-cut very light pink diamond weighing 6.12 carats, flanked on each side by a pear-shaped pink diamond, mounted in 18 karat pink gold. Estimate...

An important colored diamond. Photo: Christie's Images Ltd 2010 Set with a cut-cornered modified square-cut fancy intense orangy pink diamond, weighing approximately 10.19 carats, flanked on either side by a shield-shaped diamond, to the circular-cut...

Magnificent Fancy Vivid Green diamond ring Claw-set with a cushion modified brilliant-cut fancy vivid green diamond weighing 2.52 carats, to a plain platinum and yellow gold mount, size 51. Est. 3,300,000—5,450,000 CHF Hammer Price with Buyer's Premium:...