Jewellery

Estimated at just £150-200, a sardonyx cameo ring sold to a dealer for £39,000 (plus 20% buyer’s premium) at auction.

Staged in the early days of the new year, The Mayfair Antiques & Fine Art Fair is a chance to do little personal shopping after a frantic season of gift buying.

A c.1900 gold and enamel Archibald Knox (1864-1933) necklace is among the items lent by Anthony Bernbaum of The Peartree Collection for an exhibition at the Manx Museum.

A number of works designed by some of the biggest names in the Wiener Werkstatte association are to be offered in the Jugendstil auction at Dorotheum on December 12. Among them are two brooches designed by Josef Hoffmann.

The range of choice in antique and vintage jewellery makes for ideal one-off special presents – try the dedicated 30-dealer jewellery fair pictured below, with baubles from the Georgian period onwards.

From c.1969-75, Charles de Temple (b.1929) – the son of the American film actor Tom Mix – created his series of ‘nervous jewels’, employing prickly cultural designs in two-coloured gold wire. This 18ct gold and beryl dress ring is a good example.

The exact history of this 200-year-old saltwater pearl is unknown but it is undoubtedly a gem of considerable merit.

Tiffany exhibited only gold jewellery at the 1878 Paris exposition, including a collection of ‘Japanesque’ pieces.

This 18ct two-colour gold and enamel Hebe brooch to a design by Georges Braque, c.1962, carries an estimate of $2500-3500 at Leslie Hindman’s Important Jewelry sale in Chicago on December 3.

In the end, it was diamonds, not cake, that triggered the tragic downfall of Marie-Antoinette (1755-93) and her family. Even though the doomed queen was innocent of conspiracy, it was the affair of a diamond necklace that lit the powder-keg of revolution.

This diamond and sapphire tiara, which is to be offered for sale by Bruun Rasmussen on November 30 in Copenhagen, has a long and distinguished Danish royal provenance.

The sale titled California Jewelry held by Doyle in New York on November 19 includes some fine period pieces sourced by the Manhattan firm via its West Coast office.

This novel 14ct gold, cabochon emerald, diamond, and ruby brooch by Van Cleef & Arpels carries an estimate of $5000-7000 at Skinner of Boston’s sale of Important Jewelry on December 4.