18ct White Gold Blue John 0.77ct Diamond Cushion Shaped Ring R899 This unique ring features an elegant cabochon piece of rare Blue John stone that has been directly sourced from Castleton, Derbyshire. The stone is centred in a diamond encrusted, cushion shaped Halo. The pave set diamonds continue down the shoulders of the ring and bring the total carat weight to 0.77cts At C W Sellors, we have an expert team of gemstone and diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Precious Gemstone collection. You can find other Blue John pieces online and in store to complement this necklace. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.