</li><li>Inside Diameter - 18mm<br /></li><li>Design Element - Plain<br /></li><li> Shank Base Thickness - 1.33mm<br /></li><li> Shank Base Width - 6.36mm<br /></li><li> Shoulder Width - 10.6mm<br /></li><li>Primary Stone Shape - Round<br /></li><li>Coin Shape - Round<br /></li><li>Coin Frame Closure Type - Tab Back<br /></li><li>Coin Currency Type1 - United States, $2.50<br /></li><li>Coin Currency Type2 - Chinese Panda 1 / 10 Ounce<br /></li><li>Coin Frame Inside Length - 18mm<br /></li><li> Top Dimensions - 22.8mm <br /></strong><br /></li><li> Sonia Jewels Internal Category: 18K Yellow / 17.80mm / Polished / Gents Coin Mounting - 17.8mm Coin Frame Ring - Fashion - Mountings - Rings - Rings - Coin Frames - Rings<br /></li><li>17.80mm - 18k Yellow Gold - Solid 18k Yellow Gold Ring Band Mounting for 17.8mm Coin - Size 10