Finger size (diameter finger) - 15, 16, 17, 18, 19, 20 mm Weight gold 14k and Silver 925 Ring 15 size - Gold: 4 grams;___ Silver: 3.1 grams Ring 16 size - Gold: 4.2 grams;___ Silver: 3.3 grams Ring 17 size - Gold: 4.5 grams;___ Silver: 3.5 grams Ring 18 size - Gold: 4.7 grams;___ Silver: 3.7 grams Ring 19 size - Gold: 5 grams;___ Silver: 3.8 grams Ring 20 size - Gold: 5.2 grams;___ Silver: 4 grams