A stunning South Sea Keshi pearl necklace, with an 18ct. gold and diamond clasp single graduated row of 27 Keshi pearls 15.0-10.0 mm. The 18ct. gold clasp has 16 random-gypsy set small round brilliant diamonds 0.20ct. Total. Keshi pearls especially South Seas are rare, they are lustrous and shimmer and have a greater luster than even the highest quality cultured pearls