Mikimoto Cultured Pearl, Diamond, 18k Yellow Gold Necklace. Featuring one round cultured pearl measuring approximately 7.5 mm, accented by three full-cut diamonds weighing a total of approximately 0.20 cttw., set in an 18k yellow gold articulated mounting, suspended from an 18k yellow gold chain, forming an 18 1/2 inch necklace. {Gross Weight: 3.3 dwts}