CleverEve 2014 Designer Series 3.0mm Thin Band Sterling Silver Freeform Sea Green Chalcedony Cocktail Ring (Sz 6 to 11) CleverEve Designer Series Jewelries Are of The Finest Quality and Designed with Fashion & Durability 30 Day Money Back Satisfaction Guarantee Various Selections & Styles of High Fashion CleverEve Designer Series Elegant Jewelries in our Amazon Store! The Chalcedony Measures 18.0mm