1906 18kt yellow gold Edwardian Coiled Snake diamond ring from Pragnell Vintage featuring 18kt yellow gold, old mine cut diamonds, wraparound style and polished finish. Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces. To maintain, use specific, non-abrasive products specially meant for cleaning jewellery.. Purchasing this item continues its narrative and reduces the environmental impact by avoiding the use of new resources needed to make the product from scratch, such as water, materials and electricity, and avoiding additional manufacturing impact..