This pretty locket is 23mm across and It is marked 10k on the inside. The locket features a 2mm old European cut diamond set into a star pattern. There is repousse work around 3/4 of the edge on both sides. The other side has an old monogram. Condition is good, this locket closes nice and tight and the hinge is in very good condition. Weight is 4.5 grams. The locket retains the original glass covers. C. 1890.