South Sea Pearl Earrings with Artistic designer setting. Cultured South Sea pearls, measuring between 15.7mm and 16mm, hang from 18k white and yellow gold art design earrings, set with bezel-set 2 round and 2 pear shape diamonds. The round diamonds weigh a total of 0.6cttw and the pear shape diamonds weigh a total of 0.5cttw.