This Romantic Knotted Heart Ring was Inspired from the Patterned Artwork of the Legendary Celts. Ring Size - Approximate Weight(grams): 3 - 1.28, 4 - 1.36, 5 - 1.42, 6 - 1.5, 7 - 1.57, 8 - 1.60, 9 - 1.65, 10 - 1.7, 11 - 1.75, 12 - 1.8, 13 - 1.85, 14 - 1.9, 15 - 2, 16 - 2.1