Single Tahitian Pearl Pendant NecklaceOne, simple and elegant Tahitian black pearl, natural colored on a 925 sterling silver chain that is adjustable from 18' 20". As every pearl is different, the pearl you get might not be the one pictured. They are all approximately 10mm and may come with a small blemish or two. All are round and medium to dark gray with very slight greenish overtones. All are beautiful! Reminder: Pearls are the only gem that comes from natural creatures. Theyll often