Platinum Four Leaf Clover With Aquamarines And Diamonds Brooch. Center diamond: Round Cut 5.3mm wide (approx. 0.67ct) Diamond Carat Weight:11.67cttw Aquamarine Carat Weight: 10.12cttw Measurmeents: 49mm wide and 46mm long. Closure: Double pin fastening. Center Diamond Weight: 11.67 Metal Type: Platinum Metal Weight: 29.8 gr. Condition: Excellent Stock: RR6969