10K Gold Violin Brooch/Pendant with Diamonds and Gemstones

10ct yellow gold, diamond & gem set brooch, in the form of a violin and bow, stamped 10K to back of violin, stamped 375 with English import marks to head of violin with bail enabling double use as pendant, maker 'Gj', accented with six round cut blue stones to fret board and three small round cut diamonds to chinrest, total weight 4.88gm, violin length 1.46 in.