Antique Cocktail Ring Art Nouveau 10.00 Emerald Cut Aquamarine in 10k Rose GoldIts not often we come across art nouveau pieces, so this cocktail ring is pretty special. Simple in its design yet stunningly executed, this piece features a 10. 00 carat emerald cut aquamarine set in a rose gold mounting. The shoulders of the ring have an organic twist indicative of the period and is one of the earliest examples of a big cocktail rings we have come across. A special piece for any collection!