A heliodor and diamond halo ring, centred with a large navette-shaped yellow beryl (heliodor) of 21.0 x 10.9 x 6.1 mm, in a claw setting encircled by twenty-four round brilliant-cut diamonds, with an estimated total weight of 1.08ct, leading to a D-profile shank, white metal stamped with French eagle head assay mark for 18ct, and a partial maker's mark, ring head 2.9 x 1.6 cm, size N, 8.7 grams.