A fabulous vintage Sapphire and Diamond ringA fine cluster ring containing a round facet cut mid to dark blue sapphire 6. 5mm (estimated at one carat) rim set in yellow gold and an outer border of twelve old brilliant cut white diamonds. Each 1. 8mm to a total estimated weight of 0. 30 carats, colour H j, clarity P1. Head 11x11mm, depth 4. 6mm, weight 3. 1grams. The shank tests as 18 carat gold, no hallmarks present but not a legal requirement for this period which we estimate at 1910 1920. In