18K Yellow Gold Octagon Solid Back Signet Ring Description This 18k yellow gold octagon men's signet ring features a solid back and comes in 4 ring top dimensions. The top of the ring features a brushed finish and the sides are highly polished. The ring is stamped with 18k metal content and maker's mark and arrives packaged in a ring box. Ring Information: Metal: 18k Yellow Gold Shoulder Width: 13.3 mm Ring Top Height: 3 mm Shank Base Thickness: 1.56 mm Shank Base Width: 5.27 mm Ring Back Design: Solid Back Surface Finish: Brushed Top Finish Gender: Men Ring Weight by Dimensions: 14 x 12 MM: 14.65 grams 16 x 14 MM: 23.73 grams 20 x 18 MM: 34.77 grams 22 x 20 MM: 38.29 grams Other Specifications by Dimensions: 14 x 12 MM shoulder width: 10.8 mm, top height: 1.9 mm, shank base thickness: 1.18 mm, shank base width: 3.04 mm 16 x 14 MM shoulder width: 13 mm, top height: 3 mm, shank base thickness: 1.44 mm, shank base width: 4.61 mm 20 x 18 MM shoulder width: 14 mm, top height: 3.5 mm, shank base thickness: 1.82 mm, shank base width: 5.25 mm 22 x 20 MM: shoulder width: 13.3 mm, top height: 3 mm, shank base thickness: 1.56 mm, shank base width: 5.27 mm