A DIAMOND SINGLE-STONE RING The old brilliant-cut diamond weighing approximately 1.

A DIAMOND SINGLE-STONE RINGThe old brilliant-cut diamond weighing approximately 1.80ct within a six-claw setting, mounted in platinum, with maker's mark, French assay mark, ring size O Condition Report: Diamond: approx. 1.80cts, estimated colour I/J, estimated clarity (good) SIDog's head mark for French platinumMinor signs of wear, overall in good conditionTotal gross weight approx. 5.6g