5 Carat Diamond Necklace Diamond Color Rating Code: H-I Diamond Clarity Rating Code: I2-I3 Diamond Shape: Round Set in 14k white gold Approx. length: 18" Box lock clasp closure Sign up for Macy's WorryNoMore® Jewelry & Watch Protection program within 30 days of purchase. Before delivery, call Customer Service 1-800-289-6229 to sign up. After delivery, visit a Macy's store with your dated receipt and jewelry purchase to sign up. Photo may have been enlarged and/or enhanced. This item cannot be shipped to American Samoa, Guam, Marshall Islands, U.S. Virgin Islands, Puerto Rico, Palau, or the Pacific Islands Almost all gemstones have been treated to enhance their beauty and require special care. All gemstone carat weights (ct. t.w.), if mentioned, are approximate; variance may be .05 carat This is the wow piece she'll pull out for the most special of occasions. With a graduated design, this round diamond necklace offers a timeless elegance and exceptional shine.