Upgrade your look with this stunning tanzanite and diamond ring! The 0.47 carat tanzanite stone is a naturally occurring gemstone that is known for its deep, dark blue colour. The 0.27 carats of brilliant natural diamonds set in the UK hallmarked 18k white gold band and as a halo around the oval-cut tanzanite centre stone are of G/SI quality and add to the brilliance and sparkle of the ring. We back the quality of our UK craftsmen’s workmanship with a lifetime guarantee. Add this ring to your collection and feel confident that you're wearing something special.