Boucheron Paris diamondsolitaire dress ring. Set to centre with a round old cut diamond in an open backrubover setting with an approximate weight of 0.75 carats, to a heavy geometric dress ring design featuring symmetrical shapes, polished borders and open backholing, leading to trumpeting shoulders and flowing through to a solid shank. Marked 18 carat yellow gold, signed 'BOUCHERON', maker's mark 'RS', French, circa 1940.
Boucheron Paris diamond solitaire dress ring, French, circa 1940.
Boucheron Paris diamond solitaire dress ring. Set to centre with a round old cut diamond in an open back rubover setting with an approximate weight of 0.75 carats, to a heavy geometric dress ring design featuring symmetrical shapes, polished borders and open backholing, leading to trumpeting shoulders and flowing through to a solid shank. Marked 18 carat yellow gold, signed 'BOUCHERON', maker's mark 'RS', French, circa 1940.