100 % Authentic David Yurman BOX CHAIN NECKLACE 3.6mm. The necklace is 18 inches long.Please check my other D. Thanks for looking and Good Luck. The item "$8600 DAVID YURMAN 18K GOLD 3.6mm BOX CHAIN NECKLACE" is in sale since Wednesday, June 17, 2020. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Precious Metal without Stones". The seller is "rushel-jewelry" and is located in Morganville, New Jersey. This item can be shipped worldwide.