Evoking the timeless styling of days gone by, these London Topaz antique style rings connect you to the rich tapestry off all that have come before. The birthstone of December, the intense deep blue color of a london blue topaz ring can evoke thoughts of warm Caribbean nights. One of the oldest gemstones in history, garnet is the birthstone of January. Garnet rings have been popular since Victorian times, and are treasured for their deep red color.