18ct Yellow Gold & Platinum 0.98ct Mens Diamond Ring Circa 1930

A very fine 18 Carat Heavy Yellow Gold and Platinum Ring, Centrally "Rub Over" set in a square platinum mount with one "Transitional Old Cut" Diamond of 0.98 Carats G colour and SI1 Clarity.

The ring has French import marks, plausibly of English origin, circa 1930.

French marks worn out during the polishing process.

This beautiful ring is accompanied by an Independent Gemmological report confirming the above assessment.