Turquoise, Diamond, Blackened Sterling Silver Lock Pendant Necklace. Designed as a lock, featuring eight round turquoise cabochons, accented by numerous round-cut diamonds weighing a total of approximately 2.00 cttw., set in a blackened sterling silver mounting measuring approximately 39 x 28 mm, suspended from a blackened sterling silver open link chain, forming a 23 1/2 inch necklace. {Gross Weight: 12.3 dwts}