18 Karat Gold, Platinum and Fancy Brownish Yellow Diamond Ring. photo Sotheby's The oval diamond of fancy brownish yellow color weighing 10.52 carats, flanked by triangular-shaped near colorless diamonds weighing approximately 2.00 carats, size 5¾. Estimate...

A coloured diamond and diamond ring. photo Bonhams The heart-shaped fancy brown-pink diamond, weighing 10.63 carats, within a brilliant-cut diamond surround and bifurcated shoulders, mounted in 18k white gold and platinum, ring size 5¼. - Sold for HK$3,120,000...

A cut-cornered rectangular modified brilliant-cut fancy yellow diamond and diamond ring The cut-cornered rectangular modified brilliant-cut fancy yellow diamond, weighing 7.03 carats, between fancy-cut diamond shoulders, mounted in 18k white and yellow...

Fancy intense yellow diamond ring The cut-cornered rectangular modified brilliant-cut diamond of fancy intense yellow color weighing 12.17 carats, flanked by 2 triangular-shaped diamonds weighing approximately 1.55 carats, mounted in 18 karat gold and...