Finejewelers 16x12mm Solitaire Octagon Blue Topaz Ring Sterling Silver Finejewelers is a reputable American Family owned Business since 1955 and now based in New York, we use the highest quality workmanship and materials, and proudly stand behind all of our products. Metal: 925 Sterling Silver Blue Topaz: The Birthstone for December. Named from the Greek `topazos` meaning `to seek`. Topaz occurs in a wide range of colors, and is said to enhance spiritual potential, intelligence, creativity wisdom and wealth. Additional Stones: