9ct White God 0.45ct Pear Blue Topaz and Diamond Cluster RingBlue topaz is our most popular and loved gemstone and this ring is a great example why. Following the rising trend of pear cut cluster rings, this ring features a sky blue topaz weighing 0. 45ct. Surrounding the centre stone and making the halo is fourteen round brilliant cut diamonds totalling 0. 12ct. Set into 9ct white gold, this ring is full of light and looks especially good on fair skin tones or those with light eyes. Wear on its own or pair