GIA Certified pearl necklace.  Saltwater  Black lipped Oysters  NO Treatments.  Pintada Margaritifera & Pintada Maxima  "Variously Colored"  GIA Report: 2173621706  Amazing AAA Luster  14.98 - 16.9mm  27 Pearls.    2.00ct. marquise diamond on clasp.  Vs-2 clarity, K-color  2.00ct. Round full cut side diamonds  Vs-2 Clarity, H-color  18 inches in total  18kt. white gold  153.7 grams.  Clasp: 1.06 X .79 inch  Appraisal to accompany $72,000 & GIA Certificate.