A sapphire and diamond halo ring, featuring an oval sapphire high dome cabochon in dark blue colour, surrounded by small brilliant diamonds, claw set on a white metal mount, with baguette diamonds set on the shoulders, to a tapered D-profile shank, inside of shank engraved 'M-I 12.8.70', hallmarked as 18ct white gold, ring size I, total weight of item 4.4 grams.