Important Natural Pearl Five-strand Necklace, composed of 670 pearls ranging in size from approx. 5.51 to 3.49 mm, and completed by an emerald and old mine-cut diamond clasp, the emerald measuring approx. 10.10 x 6.80 x 3.50 mm, approx. total diamond wt. 6.00 cts., and four additional pearls, silver and gold mount, 1 1/4 x 7/8 in., the longest pearl strand approx. 50 in. Note: Accompanied by GIA report no. 2145505752, dated March 15, 2012, stating that forty of the 670 pearls were tested, and that the pearls are predominantly natural, saltwater, pinctada radiata, with no indications of treatment. The shortest strand 19 in. Emerald is approx. 1.50 cts.