An emerald and diamond-set gold collar necklace by Boivin

£14,000 - £18,000

An emerald and diamond-set gold collar necklace by Boivin, c1970's, the front section pave-set with round brilliant-cut diamonds and circular-cut emeralds, with four sliding gold sections which move to reveal or conceal the gems or brushed gold sections, French control mark, maker's mark, 12cm diameter, 38cm circumference approximately