James Avery Mariposa Butterfly Ring 14K Yellow Gold Size 7, 12.6 grams RetiredJames Avery “Mariposa” Butterfly Ring in 14K Yellow Gold, Size 7, 12.6 grams. 100% Authentic James Avery 14K Yellow Gold Ring. This gorgeous ring has a band width of 7 mm. There is some light scratching and dings from wear but is.