One electronically tested 14KT white gold ladies cast & assembled Tahitian cultured pearl and diamond necklace. Eighteen inch length necklace features a stylized Tahitian pendant supported by an elaborate Tahitian cultured pearl and diamond set fringe transitioning into matching white gold links, terminating in a box clasp with twin safeties. Bright polish finish. Trademark is Orianne. Identified with markings of "14K". Condition is new, good workmanship. Eight Tahitian cultured pearls, 11.5mm in size to 12.5mm in size. The pearls are black in color with a very good luster, round to near round, mostly clean and good matching. Graded in the setting. Tahitian cultured pearls form in the large "Black Lipped" Pinctada Margarittlera oyster, which is about twice the size of the Japanese Akoya oyster. This warm water species from across the central and South Pacific Ocean is at home in the bays and lagoons of the islands & atolls of French Polynesia. Tahitian cultured pearl farmers generally raise their oysters in lagoons. Tahitian cultured pearls take from two to four years to form. Black pearls are known for their iridescent, vibrant, almost metallic natural colors, unique among saltwater cultured pearls. Though commonly called "Tahitian" pearls, they are actually gray, to a lighter or darker degree. Tahitian pearls have the unique ability to display a variety of colors at the same time, which can be seen i,lis∎ening on mew surface. Four Hundred Seventy prong set round brilliant cut diamonds approximate total weight of 470 Stones = 4.58ct. Graded in the setting. Clarity: SI2 to I2 Color: G - I