40 - Lady's 12.5mm Tahitian Black Pearl, Diamond and 18 Karat White Gold Pendant Necklace. Pearl with Good Color and Luster, Slight Blemishes. Signed 18K, 750 and MC. Good Condition or Better. Measures 16-1/2 Inches Long. Approx. Weight: 13.90 Pennyweights. Shipping $30.00 (estimate $1,500-$2,000)