25 total carat weight (according to Roberto Coin website). Any questions please let me know! The item "Roberto Coin 5 Diamonds By The Inch Station Necklace 18K White Gold 18KT 18" is in sale since Monday, May 20, 2019. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Diamond".The seller is "almostrodeodrive" and is located in Charlotte, North Carolina. This item can be shipped to United States.