Bidspirit auction | 5.00 Carat Graduated Round Brilliant-Cut

5.00 Carat Graduated Round Brilliant-Cut Diamond and Platinum Tennis Necklace - A graduated diamond tennis necklace, also referred to as a riviere necklace, featuring a continuous row of round brilliant-cut natural diamonds. The diamonds are graduated in size, with the largest stones positioned at the center-front and decreasing in size toward the terminal ends. Each diamond is held in an individual four-prong setting, connected by flexible links. The necklace is fashioned from platinum and is equipped with an integrated box clasp featuring a single fold-over safety latch for added security. The underside of the clasp tongue bears the stamped hallmarks 500 and Pt900, with 500 indicating a 5.00-carat total diamond weight and Pt900 indicating 900/1000 pure platinum. Length: 15.5 inches. 15.9 grams