117 - Tahitian Black Pearl 12mm to 16.3mm Thirty One (31) Graduated Single Strand Necklace with 2.25 Carat Round Cut Diamond and 18 Karat White Gold Clasp. Pearls with Very Good Luster. Clasp Signed 18K 750. Very Good Condition. Measures 18 Inches Long. Approx. Weight: 78.3 Pennyweights. Shipping $36.00 (estimate $8,000-$10,000)