Natural Aquamarine Unheated and Untreated. Certified Natural Aquamarine Stone 7.96 ct-8.84 Ratti Stone Price Best Gemstones Shop In Delhi. Gemstone shop near me. Aquamarine is a beautiful blue-green gemstone that is a member of the beryl family of minerals. It is a popular gemstone for use in jewelry due to its stunning color, excellent clarity, and durabili...