An Art Deco 2.63ct single stone diamond ring, circa 1920, 4-...

Hammer

£8,700

An Art Deco 2.63ct single stone diamond ring, circa 1920, 4-claw set with a 2.63ct round old-cut diamond, colour approx J, clarity approx SI1, with fleur-de-lis shoulders and foliate openwork bridge, unmarked mount tests as 18ct white gold, diamonds measures approx: 8.85mm - 8.70mm x 5.37mm, size I/J, 3.6g

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No damage, diamond is very bright and lively with several small internal black spot inclusions visible through a loupe and several tiny nicks around girdle, general wear to high points of settings and 1 well concealed join mark on back of shank, inside shank has 2 sizing balls, unmarked but tests as 18ct