This is a K10 white gold Tanzanite necklace from TSUTSUMI. * The stones are Tanzanite and diamonds. * It has never been worn and has been stored at home without being opened. * It was opened for the first time for this listing, for photography only. (It has not been taken out of the box.) * It will be shipped in the gift box. * The warranty period has expired, so the warranty card will not be included. *Please request it at the time of purchase if you would like it.* The size is as shown in the 7th photo. ↓ Length: Approximately 40cm with an adjuster. Top: Approximately 14.5mm long and 8.5mm wide. Retail price: 30,000 yen. Thank you.