Ciner is known for great quality with designs meant to imitate the best of gold and gemstones and this cocktail ring is a good example. In the over the top style of 1960's cocktail rings is this golden dome, etched and studded with ruby glass stones and crystal stones. Probably circa late 1950s -1960s. The hallmark style dates it after 1955. Vintage costume jewelry in excellent condition Ring size 5. The golden dome is 5/8 inch in diameter.