A ruby, diamond and crystal pendant

A ruby, diamond and crystal pendant, the domed crystal with a star to the centre set with four oval-cut rublies surrounded by old round-cut diamonds, the cystal dome backed with blue fabric, to a border of rubies and old-cut diamonds alternating, suspending from a ruby and diamond-set loop, estiamted total ruby weight 2.53cts, estimated total diamond weight 1.06cts, all set in yellow gold, metal tests as 18ct gold, gross weight 15.8 grams

No. 29039M