An antique gold split ring in excellent condition. 

A diamond cut design round the rim . Plain to the front and back

Tests as 18ct. There are no marks , it dates around 1880 - 1900 , based on the design and lack of marks ( hallmarks became more and more popular after 1890 when duty  (tax)was no imposed when an item was marked.

Exterior diameter 15mm

Interior diameter 12mm