... requirementsAbout Freshwater Pearls: Pearl Shape: round, near round, off-round, potato, rice, button, coin, drop, baroque shape, ect.Pearl Size: Freshwater pearl ... can be dyed according to the color chart.Pearl Jewelry Product: Pearl necklace, bracelet, earring, ring, pendant, brooch and mixed ... of more than 20 years of pearl industrial. 6-7mm round top grade best quality freshwater pearl necklace