Sapphire and Diamond Cluster Ring. The cushion oval faceted blue sapphire is 1.71ct and has been set in four claws, complemented with an emerald cut diamond either side with a combined weight of 0.38ct, also set in four claws and surrounded with a halo cluster of 26 modern round brilliant cut diamonds in cutaway 4 claw settings. With a further 7 diamonds on each shoulder of graduating sizes, also modern round brilliant cut in cutaway settings. Combined weight of all round diamonds 0.35ct, graded for colour and clarity as G/H and SI1/2 respectively. Hallmarked 950, platinum, with the Chichester Cross mark. Total gross weight 4.96g.