The December birthstone London Blue Topaz is a blue gemstone that is said to promote truth, wisdom, and clear communication. It is believed to help balance the mind, body, and spirit. Combine two birthstones to create your personal Toi-et-Moi Ring, which symbolizes the bond between you and the special person in your life. London blue topaz gemstone Two-stone design 14k solid gold Fine Quality AA Grade Gems Diamond Band Engagement Ring, December Birthstone Ring, Sagittarius Sign, Diamond Heart Ring, London Blue Topaz Ring, Blue Topaz Gemstone, Evil Eye Ring, Clear Communication, Heart Shaped Diamond