6.0 - 7.0 mm White Freshwater Pearl Necklace A  white freshwater pearl necklace that always stands out among pearls. This luminous freshwater pearls measures 6.0 -7.0 mm which are carefully hand knotted to a soft silk thread. This necklace is available in 16  and 18 inches length and finished with a very elegant silver clasp. An exceptional piece for all occasions. Seamlessly elegant.