A very fine Antique 18ct Yellow Gold & Silver, Navette Shaped, Three Stone, Natural Untreated Burma Ruby & Diamond Cluster Ring. Circa 1880

A very fine 18ct Yellow Gold & Silver, Navette Shaped, Three Stone, Ruby &  Diamond Cluster Ring. Accompanied by two independent Gemmologist's reports confirming the three Round & Cushion Cut Rubies are Natural, of Burma - Magok origin, with no indication of treatment observed.  One of the reports also refers to the Rubies as weighing approximately 1.50 Carats (unweighed), and the 18 Old Cut Natural Diamonds as weighing approximately 2.05 Carats, of I - J Colour and VS2 - S!1 Clarity. 

Both assessments have been made while the stones remained within their mounts..

Circa 1880