Jewellery, Watches and Objects of Vertu

An early 20th century Russian diamond and synthetic ruby pendant/brooch, the openwork pendant with drop below, to tied ribbon bow surmount set throughout with rose-cut diamonds and accented with two round-cut synthetic rubies, mounted in gold and silver, bearing Russian assay mark for 56 zolotniks and maker’s mark ‘СП’, pendant length 45mm. £500-600