A pair of colored diamond earrings. Photo Christie's Image Ltd 2014. Each set with a triangular-cut fancy brown-orange diamond, weighing approximately 2.70 and 2.53 carats, suspended from a baguette-cut diamond line, with square-cut diamond tops, weighing...

Lot 180. The OCEAN DREAM. Estimate CHF6,800,000 – CHF8,500,000 ($7,754,305 - $9,692,882). Price realised CHF 7,781,000 . Photo Christie's Image Ltd 2014 The fancy vivid blue-green triangular-cut diamond, weighing approximately 5.50 carats, within a sculpted...

A colored diamond and diamond pendant necklace. Photo courtesy Bonhams. set with a triangular-cut blue diamond, weighing 1.00 carat, accented by a scrolling pavé-set diamond bail, completed by a fancy link chain; mounted in platinum; length: 18in. Sold...

A Pair of Impressive Emerald and Diamond Earrings. Photo Christie's Image Ltd 2013 Each composed of a triangular-cut diamond top suspending a single rectangular cut-cornered emerald drop weighing approximately 39.66 and 40.87 carats respectively, Austro-Hungarian...

A magnificent pair of diamond clip brooches, by Cartier, circa 1935. Photo Bonhams Each central old pear-shaped diamond, weighing either 4.63 carats or 4.77 carats, within a baguette-cut diamond frame with square-cut diamond highlight, bordered by pear-shaped...

The Bulgari Blue Diamond. Photo: Christie's Images Ltd 2010 . A two-stone colored diamond and diamond ring, by BulgarI. Set with a triangular-cut fancy vivid blue diamond, weighing approximately 10.95 carats, and a triangular-cut diamond, weighing approximately...

An emerald and diamond ring centering a rectangular-cut emerald, with triangular-cut diamond shoulders in a stylized bicolor mounting; emerald weighing approximately: 5.95 carats; estimated total diamond weight: 1.20 carats; mounted in platinum and eighteen...