From the French for 'a thousand grains', the tiny beads of a milgrain accent can add complexity and detail to a London Topaz design, as well as create a vintage or antique look. The birthstone of December, the intense deep blue color of a london blue topaz ring can evoke thoughts of warm Caribbean nights. This birthstone of October embodies the orange and red colors of a warming fire. The fiery sparkle of this gem makes a fire opal ring become the center of conversation