David Webb Platinum & 18K Yellow Gold White Enamel Bombe Dome Geodesic Earrings. David Webb 18k yellow dome clip earrings with a trellis gold pattern with white enamel pyramid centers. Dimensions: Diameter: 1 in (25.4 mm) Center Diamond Weight: 0.00 Metal Type: Platinum & 18K Yellow Gold Metal Weight: 43.3 gr. Signed: WEBB Condition: Excellent. Stock: RR9835