See the diamond pictured to the right, for example. It is a 1.02 carat, fancy vivid yellow, VS2 clarity, GIA Certified Cushion Cut. This stone is priced at $19,850 due to its unusually strong and beautiful color. A 1 carat cushion cut diamond with a D color and Flawless Clarity costs in the vicinity of $10,000 to $12,000.