A step up from the fine, 12 carat model, this one is sure to turn heads! 16 inches and Twenty-two carats of natural Black Ice Diamonds™ black diamonds gently taper from 2.2 to 3.0 millimeters. Complete with a solid white gold clasp, this is truly a special, unique necklace. All Black Ice Diamonds™ black diamond necklaces are guaranteed to be only the finest natural, black, non-irradiated black diamonds.