Ramona Ring Raw EmeraldGold plated brass ring ( scroll down to learn about gold plating and gold fill) 7mm x 9mm raw emerald (all will vary and have natural imperfections) All Merewif gold plated jewellery is 100% brass with sterling silver ear posts beneath the gold plate. They use a much thicker gold plate than the industry standard, and once the pieces are plated, a protective finish is added to prolong the life of the gold plate. There is no nickel in any of their