Antique, 18k yellow gold rose cut diamond solitaire ring with an eagle French punch mark and a "GM" French makers mark inside a lozenge.
Size 8 and can be sized. Measures 13.7mm wide at the top, tapers to 5.28mm wide at the shank base. Diamond weight est 1.85ct to 2.00ct. The foil back may influence the visual color while set. Color appears Q/S with a brown tint, clarity I1, GIA. Weight is 13.06 grams.