An opal and gem-set brooch/pendant by Grima, circa 1975

The large drop-shaped opal cabochon within a surround of bi-coloured textured fronds with brilliant-cut diamond, cabochon sapphire and carved pink tourmaline highlights, signed Grima, length 6.5cm. Sold for £5,040

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Bonhams. Fine Jewellery, 25 Sep 2008. New Bond Street. www.bonhams.com