1955 Openwork Diamond Ring lost heirlooms plum coloured ruby displaying crisp

plum coloured ruby displaying crisp asterism - the effect whereby a six-pointed star appears to shimmer and dance across the surface under direct light

The design is quite clever: the stone selected and cut in such a way that the round hole looks like a full moon rising over the horizon

Era: Etruscan Revivalist circa 1870

A set of London hallmarks date it to 1872

It's built in 9ct gold and dates from the 1970s

1955 Openwork Diamond Ring lost heirlooms plum coloured ruby displaying crispStunning mid century diamond solitaire dating from the 1950s. The 1. 01ct old European cut diamond is clean and bright, set in a simple bezel mount that rises above the openwork band. It's crafted in 18 carat white gold with London hallmarks for the year 1955, and pretty hand etched detailing to the outer band. The S&W maker's mark indicates it was made by Slade & Wolfe, a highly esteemed British jewellery manufacturer operating in London's Hatton