Belle Époque marquise shaped diamond cluster ring by Albert Chambin, French, circa 1905.
Belle Époque marquise shaped diamond cluster ring. Set with twenty seven round old cut diamonds in open back grain and claw settings with a combined approximate weight of 2.00 carats, to a vertical marquise cluster design featuring curving claws, an intricately pierced gallery and open backholing, leading to raised trumpeting shoulders and flowing through to a solid D-shape shank. Marked yellow gold and platinum, maker's mark for Albert Chambin, French, circa 1905.