An awesome london blue topaz gem, a big 20mm round topaz cut to perfection. The BTN-11 is one of Directstones best selling gems. You can pick just this london blue topaz gem or request for a complete matching set. Besides London Blue Topaz, a full range of sky blue topaz, white topaz and swiss blue topaz are also available in all shapes and sizes. Directstones was set up to assist low volume gem buyers with their specific requirements. We have therefore not put minimum order requirements in terms of value or volume. See more topaz gems at http://www.bluetopaz.directstones.com/blue-topaz-gemstones-01.htm