18K TAHITIAN CULTURED BLACK PEARL & DIAMOND NECKLACE: 18K white gold pendant/enhancer contains 18 round brilliant cut diamonds. Weight: .75 Ct. Approx. Rated VS in clarity, G-H in color. A single 14.25 mm drop shaped black Tahitian cultured pearl, medium luster. The diamonds are bead set. The pearl is peg set. The 18K white gold 6.00 mm flat Omega chain is 16''. Weight: 52.6 grams. Est. $2400/2600**