2.50 ct Natural Multicolor Tourmaline Diamond Ring

Ring size 8.25. All natural stones. Small melee lab Diamond halo with multi color tourmaline inside. Sterling silver metal. Stamped 925. Needs a little polish. Beautiful ring! Would make a perfect fall statement ring! Total tourmaline stone weight: 2.50 ct. I am not sure the total carat weight of the halo diamonds. Poshmark will authenticate stones that is why I priced at $500 however I am open to offers.