Pearl Type: Saltwater Japanese Akoya Pearls. Pearl Size: 5.5 to 5.9 mm. Pearl Color: Black with Pink Overtones. Pearl Luster: AAA Gem. Pearl Nacre: Top luster. Length: 18″ necklace and 7″ bracelet. You ca attach the necklace and the bracelet and make a longer necklace. If you like dainty jewelry then you will love this saltwater Japanese akoya pearl necklace 5.5 mm to 5.9 mm the pearls are round in shape and top luster, the necklace is 18 inches and the bracelet is 7 inches. Thank you for looking.