Japan YAMACO sterling silver fashion ring | Japan 925 silver handmade GEM series

https://live.staticflickr.com/65535/48983366698_48ece91ec7_z.jpg ◤Design brand Yamazaki Industries, Japan since its establishment in 1918 Committed to producing all kinds of metal utensils, tableware, parts and accessories ... etc. The highest level of quality in the world In 1991, at the 90th Anniversary Dinner of the Nobel Prize, the highest tableware was provided. The world recognizes Yamazaki metal products as the best material to grind And research and development of new craft products with the skills of staff. https://live.staticflickr.com/65535/49126037963_e55e7cd5f4_z.jpg Origin Japan ◤ material 925 silver, opal ◤Size (manual measurement of the largest size, there will be ± 2mm error value) Ring around A section / 1.65 cm Type B / 1.65 cm C / 1.6 cm ※ Ancient pieces over ten years old are brand new and unused. Metallic products become normal after a long period of time. If you are concerned, please do not place an order. ※ The chemical nature of silver is more active, so it will interact with carbon dioxide in the air to form black silver sulfide. When the surface of silver jewelry becomes black, you can use silver cloth and soda powder