Diamond single stone ring, the white mount stamped '18ct', the old mine cut diamond measuring approximately 5.9mm x 5.7mm x 4.2mm deep, calculated as weighing approximately 0.9 carats, size O, 4.3g gross approxThe old mine cut appears fairly white with a hint of colour. There are no obvious visible inclusions but there is an inclusion/small abrasion to the edge of the girdle that runs towards the table., approx SI clarity. The claws are all present with signs of wear from age and use. Signs of sizing to the shank which is stamped ‘18ct’.