A sapphire and diamond halo ring, comprises a cushion-cut sapphire with a deep intense blue body colour, approximately measures 8.1 x 6.6 mm, encircled by ten old-cut diamonds claw set in a mount with scalloped edge, and further two old-cut diamonds pavé-set on the shoulders, with an estimated total diamond weight of 1.60ct, to a tapered knife-edge shank, with a faint French eagle head hallmark (indicates '18ct'), ring head 16.3 x 13.9 mm, ring size M, total weight of item 5.0 grams.