Pear cut Tanzanite and marquise cut London blue topaz silver and gold triple gem finger ring rubover setting in 9ct gold the stones are placed asymetrically on a plain D section finger band 
Tanzanite is a blue example of Zoisite found in Tanzania availiable since the 60's believed to be benificial to help expand physical and mental sight and is also helpful to the skin. Blue topaz is a stone for those of a creative nature, being especially useful for writers ?

The silver band is 5 mm in width x 1.7mm Tanzanite gemstone is a 6mm x 4mm pear cornflower blue colour 
two marquise London blue topaz 6mm x 3mm