A 14CT GOLD AND DIAMOND HALO RING, CIRCA 1969

A 14CT GOLD AND DIAMOND HALO RING, CIRCA 1969, The bi-colour metal, set centrally with a round brilliant-cut diamond on a raised mount, surrounded by a halo of similarly cut diamonds, descending laterally on similarly set shoulders, diamond weight approx. 0.50 carats, maker's mark 'A&Co', UK hallmark, ring size L, weight 3.1 grams