18K CARVED OPAL AND DIAMOND PIN: 18K yellow and white gold pin with one approx. 25.00 x 15.00 mm carved white opal depicting a native American ''chief'' with headdress, bow and arrows. The opal is cracked. The ''feathers'' of the headdress are of translucent red, gold and green enamel. The enamel is in good condition. Five round single cut diamonds. TOTAL DIAMOND WEIGHT: .10 Ct. Approx. Rated VS in clarity and G-H in color. Bar pin closure. Approx. 2'' in length. Weight: 11.9 grams. Est. $800/900**