David Webb Platinum & 18K Yellow Gold Cabochon Green Emerald And Diamond Textured Ring. Center Emerald: 24ct Diamonds: 1.02cts With David Webb certificate. Center Diamond Weight: 1.02 Measurements: Size 6.5 Metal Type: Platinum & 18K Yellow Gold Metal Weight: 28.0 gr. Signed: WEBB Condition: Excellent. Stock: RR9268