Large, 22.15 ct Bright, Oval, Blue Topaz, Earrings with Diamond Detail, in 24kt Gold by Prehistoric Works of Istanbul, Turkey. Measurements: Total Length, 24mm (.9") x 16.7mm (.66"), Topaz measures: 10.6mm x15.7 (22.15ct) Through the ages, topaz has been popularly associated with wealth. However, topaz symbolism and lore has also covered many other areas, such as health, love, and astrology. It's also the traditional November birthstone.