Platinum Aquamarine and Diamond Halo RingPlatinum Aquamarine and Diamond Halo Ring, 8808 V19277AQDR PT This stunning ring design has been crafted from platinum and features a cushion cut aquamarine gemstone at the centre of the band. The stones blue tones contrast superbly against the halo of round brilliant cut diamonds which create a frame of light around the aquamarine. The diamonds chosen for this aquamarine cluster ring have a total weight of 0. 23 carats and the aquamarine stone weighs