An 18ct gold three stone diamond ring together with a diamond set stick pin

the first, a ring set with three diamonds, each within a star setting, estimated approximate total diamond weight 0.15ct, tapered shoulders, 'D' shaped shank, size S½, hallmarked London, 18ct gold, dated 1900, weight 5.4g; the second, an onyx stick pin set with an old mine cut diamond, estimated approximate weight 0.08ct, unmarked, tested as 9ct gold, weight 3.1g, cased (2)