A single diamond topping a luminous South Sea pearl offers elegant simplicity on an 18-karat white gold chain. 18" length; 3/4" drop. Lobster-clasp closure. Pearl size: 9-10mm. Total diamond weight: 0.10ct. Color: G. Clarity: VS. Handcrafted. Grade A+ black South Sea cultured pearl/18k white gold/diamonds. By Mikimoto; made in the USA of imported materials. Asian Owned/Founded.