Bidspirit auction | 20.00ctw Natural Black Diamond 18KWG

20.00ctw Natural Black Diamond 18KWG Adjustable Graduated Bead Necklace - This graduated bead necklace features a strand of faceted natural black diamond rondelles. The diamonds exhibit an opaque black body color with a high adamantine luster across their faceted surfaces. The beads are arranged in a graduated profile, tapering from larger diameters at the center toward smaller beads at the terminals. The necklace is finished with 18 karat white gold findings, including a spring ring clasp and a sliding bolo-style adjustment bead. A fine box chain extension allows for variable length. The metal tab at the clasp is stamped with the hallmark 18KWG. The total diamond weight is 20.00ctw. Doubled length: 20 cm Total open length: approximately 40 to 42 cm (15.7 to 16.5 inches) Total weight: 5.1 g.