BLUE TOPAZ RING. Another fine bespoke ring from our new collection . This beautifully facetted Blue Topaz is of exceptional quality. The hand crafted Silver ring gives the effect of the gemstone ‘floating ‘ over the ring, the whole stone is visible , allowing light to come of all the faceting. Blue topaz is the symbolic birthstone for December. this ring is size 61 (or S1/2), it weights 7.5g.