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Discover our alluring collection of exquisite tanzanite and diamond dress rings. Found in just one location at the foothills of Mount Kilimanjaro this rare and spectacular gemstone is one to truly be admired. It’s vivid violet blue tones and high clarity makes tanzanite an eye-catching choice especially for those born in the month of December. Our stunning collection only incorporates the finest quality tanzanite’s. With such a vast array of shapes and sizes to choose from you can be assured to find your perfect gemstone. Make a statement with a tanzanite double cluster cocktail ring. The sparkling diamonds highlight the vibrant central gemstone and the sapphire accents frame the piece beautifully. For a vintage look opt for a classic tanzanite cluster ring with its glittering border of diamonds. If contemporary is more your style choose a timeless tanzanite and diamond three stone ring or a design with diamond trefoil shoulders. At Thomas of London, we specialise in bespoke design, for that extra special gift get in touch and have your unique tanzanite dress ring custom made in our Hatton Garden workshop.