18ct Yellow Gold and Platinum Art Deco Diamond Fan Ring

Head Measures: approx 10mm width x 7mm height
Weight: 2.2g
Hallmarked: Some Visible markings to Shank, but professionally tested to 18ct & Platinum.
Tested by a Thermo Scientific testing machine to achieve total accuracy.
Circa: Art Deco 1920’s / 1930’s

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