AN IMPRESSIVE BLACK CULTURED PEARL AND DIAMOND NECKLACE Composed of a series of ten black cultured pearls, measuring approximately 14.71 mm, each flanked on either side by circular-cut diamonds, joined by interlaced circular-cut diamond lines, the central black cultured pearl suspending a detachable black cultured pearl pendant, enhanced by a tapered baguette and circular-cut diamond cap, mounted in 18k gold, 16 ins., in a gray velvet case