4.20CT VS2-SI1 Genuine Fancy Yellow Diamond Cushion-Cut Solitaire in Solid Platinum Band W/1.00CTW Genuine VS1/G White Diamond Accents - This is a stunning, custom made piece with a gorgeous 4.20CT cushion-cut Fancy Yellow Diamond that is very eye clean. The 1.00CTW of genuine accent Diamonds are in a beautiful stair-step design. The prongs on the band are made of solid 18K Yellow Gold to better secure the Diamond solitaire. Ring size: 9. (10.3 grams)