HELLO TO ALL GOOD PEOPLE :) !!! HELP IDENTIFY THE BRAND ON THE RING? WHOSE COUNTRY? WHAT FOR METAL? (Weight 8.95 g., Diamond cr. 57, 0.28 3/5) PHOTO BRANDS UNDER MICROSCOPE https://ww2.ru/upload/iblock/407/3.jpg https://ww2.ru/upload/iblock/669/6.jpg https://ww2.ru/upload/iblock/c38/IMG_1307.png (ad...