18ct Yellow & White Gold Round Brilliant Diamond Halo RingElegant with a refined two tone finish, this 18ct yellow and white gold ring features a 0. 30ct round brilliant cut centre diamond, graded G colour and SI1 clarity and GIA certified for complete confidence in its quality. The centre stone is set in white gold and surrounded by a halo of round brilliant cut diamonds, enhancing its size and sparkle. A further 28 round brilliant cut diamonds totalling 0. 42ct in G colour and SI clarity are set throughout