West London‘s Chiswick Auctions is to open a new showroom in South Kensington manned by at least eight former Christie’s staff.

A pair of lions from the funerary monument of Charles V of France was the toast of Christie’s Exceptional sale in London on July 6.

A moment of good old-fashioned saleroom drama emerged at Christie’s antiquities sale on July 5 when an Etruscan bronze mirror, estimated at £10,000-15,000, sold at £390,000 (plus 25/20/12% buyer’s premium). The buyer was a European institution.

A highlight of Sworders’ Country House sale in Stansted Mountfitchet on June 27 was a rare tinplate London omnibus.

For previous generations of artist jewellers, from René Lalique to Andrew Grima, retail sales and private commissions were everything. Typically it was only much later in the collecting lifecycle, after a period of posthumous reassessment and rediscovery, that their work appeared at auction with any great regularity.

Dendritic agate – a pale chalcedony with treelike inclusions caused by traces of iron or manganese – is a relatively lowly stone but was a favourite of Russian jewellers in particular. Carl Fabergé used it in many pieces in a country where it is considered a stone of longevity, good health and prosperity.

A selection of stand-out jewellery lots from regional auctions.

The collection of Tiffany jewels offered by Christie’s New York (25/20/12% buyer’s premium) on June 20 was the finest at auction in recent memory.

Bonhams’ (25/20/12% buyer’s premium) sale in Knightsbridge on June 14 included a group of pieces attributed to the British Arts & Crafts jeweller and designer Dorrie Nossiter (1893-1977).

Stealing all the headlines at Sotheby’s (25/20/12% buyer’s premium) Fine Jewels sale in London on June 7 was the £540,000, 26ct ’tenner’ diamond, bought by the vendor at a boot fair in the 1980s. However, among the 370 lots were items with more illustrious provenances.

Tiaras have enjoyed a surge in popularity in recent years, particularly in Russia and the Baltic States where jeans and a diamond fascinator are de rigueur at informal high-society events.

Indian design was a prolific influence in Carlo Giuliano’s style. Already seen at the 1851 Great Exhibition, interest in technicolour jewellery from the sub-continent rose to new levels when Victoria became Empress of India in 1876.

This medieval gold posy ring with a Lombardic inscription is a type that was common in England and France in the 13th and early 14th centuries. After around 1350, Gothic script became popular.

The global trade body for antiquities dealers has insisted that Europe does not provide a ready market for looted artefacts from conflict zones.

A Sèvres teapot from the Louis-Philippe era sold for an unexpected £13,000 (plus 20% buyer’s premium) at Kingham & Orme in Broadway, Worcestershire, on June 17.

A massive Burmantofts faience charger sold for £13,000 (plus 22% buyer’s premium) at Woolley & Wallis of Salisbury on June 22 – the highlight of a remarkable collection of more than 700 pieces by the Leeds factory.

Samuel Miller Freeman II – known to all as Beau – was a fixture in the Philadelphia auction scene for just shy of six decades.

As part of a five-year plan to grow its interest in the coin collecting market, The Royal Mint has taken a share in Mayfair numismatic dealership Sovereign Rarities.