Finger size (diameter finger) - 16, 17, 18, 19, 20, 21, 22 mm Weight gold 14k and Silver 925 Ring 16 size - Gold: 10 grams;___ Silver: 7.8 grams Ring 17 size - Gold: 10.3 grams;___ Silver: 8 grams Ring 18 size - Gold: 10.6 grams;___ Silver: 8.2 grams Ring 19 size - Gold: 10.9 grams;___ Silver: 8.4 grams Ring 20 size - Gold: 11.1 grams;___ Silver: 8.6 grams Ring 21 size - Gold: 11.4 grams;___ Silver: 8.9 grams Ring 22 size - Gold: 11.7 grams;___ Silver: 9.1 grams