This is an authentic ring from David Yurman, it is crafted from sterling silver with 14k yellow gold accent featuring a long rectangular shape top se twith slanted ribbed design mother of pearl gemstone in yellow gold bezel setting. The shank blends with the band of the ring in sterling silver. It is signed by the designer with the metal content.Material: sterling silver and 14k yellow gold Hallmark: D.Yurman 585 925Ring Size: 6Measurements: top: 18.5mm long x 11.6mm wide x 6.5mm highWeight: 11.6 grams