close Round Signet Ring: Spec & Details: Click Image For Enlarged View Front View Profile Hallmark Size & Dimensions Chart - (all Head Sizes available in all Finger Sizes)   Ring   HEAD SIZE   (any finger size) Medium XXLarge   a Face Height 13mm (1/2") 16mm (5/8")   b Face Width 13mm (1/2") 16mm (5/8")   c Shank Thickness  1.8mm (1/16") 1.8mm (1/16")   d Face Thickness 2.1mm (3/16") 2.1mm (3/16")   e Shank Depth 3.4mm (9/64") 4.6mm (3/16")   SEE Actual Head Sizes   Sterling Silver 8.1grams (.285 oz) 11.7grams (.412 oz) Weights shown are prior to engraving based on US size 9 / UK size S   9 Carat Gold 9grams (.317 oz) 13grams (.458 oz)   14 Carat Gold 12.5grams (.440 oz) 16grams (.564 oz)   18 Carat Gold 14grams (.493 oz) 19grams (.670 oz) close