A gorgeous piece by famous world jewelry designer, H. Stern is this fabulous Aquamarine Ring Joined by Emerald Cut Diamonds in 750, 18K White Gold, Signed with the H. Stern Hallmark, Vintage. H. Stern was founded in 1945 in Rio de Janeiro. Their pieces adorn the famous and the elite and has a worldwide reputation for their outstanding workmanship, design, and use of gemstones. The center of this Vintage H. Stern Ring holds a stunning quality aquamarine measuring about 8 x 6mm oval. It has beautiful faceting and the beautiful coloration of a quality aquamarine. It is joined by two (2) sparkling fine white diamonds in emerald cuts. The setting is their signature 750, 18K White Gold. It is hallmarked with 750 as well as the H. Stern signature S hallmark. A beautiful quality piece by a wonderful designer. Ring Size: about 5 1/2 (could be resized by your jeweler or ask me about using mine before shipping). Overall the ring measures about 5/16 inch long by about 11/16 inch wide from side to side. This piece was acquired through an exclusive estate collection and is in beautiful vintage condition.