59 - 18K White Gold Diamond and Emerald Ring. Large Twelve (12) Carat Emerald Center Stone Surrounded by Three (3) Carats of Round Brilliant Diamonds. Signed 18K. Excellent Condition. Size 6-1/2 and Weighs 8.7 Pennyweights. Shipping $30.00 (estimate $3,000-$3,500)