A vintage sapphire and diamond channel-set eternity ring by Oscar Heyman Brothers.
Set with 18 square cut sapphires and 18 square cut diamonds in open back channel settings, the stones alternate in groups of three. They have a total approximate weight of 0.60 carats of diamonds and 0.70 carats of sapphires.
The ring is a perfect circle of 18 carat gold with smooth rub-over sides and an intricately pierced setting for the stones, and is 2.6mm wide. Marked 18K for 18 carat gold, makers mark for Oscar Heyman Bros, numbered J8514.
UK finger size K.5, US size 5.5, weight: 2.1 grams.