Vintage ring! This is so gorgeous!!
Great old Aquamarine and rose cut and mine cut Diamond ring. The band is not hallmarked, but tested 12K yellow gold. The top is all silver with many many prongs. The Aquamarine stone is a light sky blue/green. The stone measures 16mm X 10mm. There are 28 rose cut and mine cut Diamonds. Ring is size 7 1/2. Weight is 6.5grms. Condition is very good for age. I would date this ring at c1900.