David Webb Yellow Gold Large Rock Crystal Black Enamel Hammered Ring Large rock crystal diamond ring by David Webb in yellow gold with black enameling. Very loud and heavy this ring is very rare and doesn't come around too often. Measures about 1 inch off the finger. Size: 6.75 Center Diamond Weight: 0.00 Measurements: Size: 6.75 Metal Type: Platinum & 18K Yellow Gold Metal Weight: 41.7 gr. Signed: Webb Condition: Exdellent. Stock: RR8652