Gorgeous genuine and authentic new David Yurman 20x20mm Amethyst Cushion with Quads and Diamonds Sterling Silver Statement Ring. Size 7.5 Dia. 0.100 CTW Amethyst: 24.3 CT This brilliant faceted Amethyst (much nicer than photo) is 20mm by 20mm. Each corner prong has a Quad shape with diamonds. The band has a split shank and is cabled sterling silver. The ring sits up from the finger 7/16". On the inside of the band is the trademarked stamp (c)D.Y and 925. Comes in a David Yurman pouch