This item was purchased at a used brand auction for businesses, so it has been authenticated. Please rest assured (*^-^*) Instant purchase and no comments are OK. This is a K18 material tourmaline necklace♪ It can be a long necklace, but you can also remove it to make a bracelet and a shorter necklace♪ Returns are not accepted to prevent replacement. I will answer any questions you have to the best of my knowledge. This is the perfect item to be given as a gift for birthdays, anniversaries, or other special occasions for friends, family, girlfriends, wives, etc. Weight: 18.5g NO: 20250808513 Liangzhu _____________________________ Blue Red Black Green Yellow White Purple Summer Water Blue Red Aqua Beige Purple 1 stone Diamond 18K Gold K18 18K 24K Gold 24K K24 Moissanite SONA Diamond Surgical Stainless Steel Pair Accessories Men's Hawaiian Jewelry White Black Gray Red Pink Orange Yellow Green Blue Necklace Bracelet Cute Present Emerald Aquamarine Blue Topaz Sapphire Tanzanite Moonstone Turquoise Lapis Lazuli Gold Gold Silver Handmade Bulk Purchase Platinum Pearl Necklace Bracelet Ladies