The technology used in making the ring does not differ from the original method in Bizantian - Roman times. Material: Masive Real 925 Silver, Natural Carnelian. We accept orders for personalized items or individual production and other sizes.For questions please do not hesitate to contact me. This item is in the category "Collectibles\Decorative Collectibles\Other Decorative Collectibles". The seller is "komar_34" and is located in this country: BG. This item can be shipped worldwide.