to two row diamond border of old single cuts, the inner border openwork, each collet set, the outer border in a collet channel, to openwork bifurcated shoulders with similar graduated diamonds, reeded shank, mounted in platinum, serial number 6554, French control mark for platinum (import/unknown origin), accompanied by a scanned copy of the SSEF report no. 125464 giving the Ceylon origin opinion for the 4.066ct sapphire and that it shows no evidence of heat treatment Cluster 16 x 15mm / 5/8 x 9/16'' Weight: 6g
Art Deco single stone sapphire and diamond cluster ring, c.1925, the canted square sapphire of approximately 4.00ct, between calibre sapphire and diamond dart shoulders,
Art Deco diamond and sapphire cluster ring, French c.1925, central rectangular cut diamond of approximately 1.00ct, between calibre sapphire and diamond dart shoulders,