David Webb yellow gold onyx clips. Designed as a round onyx cabochon with overlay, mounted in gold. METAL: 18k yellow gold SIGNATURE: WEBB MARKS: 18K SIZE/DIMENSIONS: 2.7 cm diameter GROSS WEIGHT: 23.7 grams Center Diamond Weight: 0.00 Measurements: 27mm Metal Type: Platinum & 18K Yellow Gold Metal Weight: 23.6 gr. Signed: WEBB Condition: Excellent. Stock: RR6403