1/5 ct. t.w. Set in 14k Yellow Gold Approx. diameter: 0.5mm Post back closure Imported Women’s Yellow Gold Open Heart Stud Earrings with Diamonds Photo may have been enlarged and/or enhanced. Almost all gemstones have been treated to enhance their beauty and require special care. All gemstone carat weight (ct. t.w.), if mentioned, are approximate; variance may be .05 carat.