IGI Certified 1/10ct TW Mom in Heart Diamond Necklace in 14K Gold and Sterling Silver Measures Just Under 1 inch high Sterling silver heart with 14K gold mom .925 Sterling Silver and 14K Gold with an 18 inch Sterling Silver Box Chain IGI Certificate Included stating carat weight and metal. All of our diamond suppliers and MLG state that to the best or their/our knowledge that all of our diamonds are conflict free.