Sapphire and Diamond Cluster Ring - Secondhand

Oval faceted sapphire in a raised rubover setting. Surround of 12x uniform modern brilliant cut diamonds in rubover settings. On a plain yellow band with split shoulders. All 18ct gold. Hallmarked 750 London import 1986. Stamped C.M.J. 750 ITALY. Sapphire dimensions - 5.50mm x 4.50mm x 2.85mm. Sapphire weight estimated at - 0.63ct. Diamond diameters - 2.00mm. Diamond weight estimated at - 0.36ct total. G. weight - 3.8g. Our ref - R878YA