Description & Technical information
Millegrain set with a 4.06ct Ceylon sapphire, 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
Date: c.1915
Period: Early 20th century
Medium: Sapphire and diamond
Dimensions: 1.6 x 1.5 cm (0⁵/₈ x 0⁵/₈ inches)
Categories: Jewellery
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