A substantial diamond brooch / pendant set in platinum and yellow gold, c. 1920, the central oval turquoise cabochon measuring 21 mm x 14 mm, is set into a gold frame and surrounded by 15 old brilliant cut diamonds. Suspended from this are two diamond set chains, with a pear shaped diamond weighing approximately 1.25ct. Also with a detachable three diamond set bale, to wear as a pendant, with Goldsmiths and Silversmiths Company Ltd, Regent St, London, original case.