Antique diamond three stone knot ring in 18kt gold. Set with three old cut diamonds in square plaque settings, to a openwork knot motif with floating plaques and flanked by broad shoulders which curve and smooth to a solid shank. Hallmarked 18kt gold, Birmingham, 1919. Makers mark for Thomas William Martin.
Size: 8 1/4 (US), O (UK)
Approximate weight: 5.5grams