A SINGLE-STRAND OPAL BEAD AND DIAMOND NECKLACE
Designed as a strand of twenty-nine opal beads, measuring from approximately 22.40 - 22.35 x 22.35 to 13.05 - 13.00 x 13.00 mm, joined by a lozenge-shaped diamond-set clasp, mounted in platinum and gold, 20¼ ins.
With report CS 56137 dated 7 August 2013 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the opals would be classified as Ethiopia. Enhancement: None. An excess of 50 tested at random