ESTATE, If you are a lover of Aquamarine this is the ring for you.Set in 18K white gold accented with 3ct of F/G colored VVS quality diamonds this most beautiful Ocean Blue 37ct Emerald cut Aquamarine certified by the American Gemological Laboratories #CS1078346 to be free of any ENHANCEMENT, Natural Beryl, Greenish Blue. Ring size 7 can be sized