An ‘interchangeable’ gem set ring by Gilbert Albert and a pair of matching earclips, the earclips later altered by De Vroomen, the suite of textured and twisting abstract design, each with a vacancy to incorporate a hardstone sphere, (the suite includes three lapis lazui spheres, three rose-quartz, four hematite, two aventurine quartz and three purple stained hardstone), the ring stamped with maker’s mark and ‘750’, the earclips later mounted with hinged clip fittings and signed ‘De Vroomen’, ring size R, earclips length 2.3cm, with grey suede Gilbert Albert soft pouch. £800-1200