18ct White Gold Blue Topaz Diamond Square Halo Ring, TVN-372 An embodiment of elegance and luxury, this stunning 18ct white gold ring features a central square blue topaz (0.83ct), surrounded by a halo of brilliant cut diamonds (0.08ct). Designed perfectly for everyday wear, this piece would make the perfect dress ring to be enjoyed for many years to come. Established in 1963, Tivon Fine Jewellery is a family company specialising in the finest bespoke gem-set jewellery creations & rare gemstones. South African in its roots and based in the United Kingdom since 2003, TIVON is known for its passion for colour combined with old European tastes and design. Only the finest gemstones are selected for its creations with each gem being carefully selected, precision cut and faceted for maximum beauty and brilliance. With both classical as well as avant garde designs, TIVON focuses on the bespoke, the exclusive and the rare. With many creations being one-of-a-kind or in limited editions, our aim is simple – to bring our customer dreams to life in gem form. All articles are lovingly and securely dispatched with our elegant jewellery packaging.