“My single greatest success is securing UK market leadership for Bonhams Jewellery Department for three consecutive years, during which time we’ve seen a number of signifi cant sales,” explains Jean. Her greatest single sale was a fancy deep blue diamond that sold for £6.2 million — a world record price-per-carat.

2014 also saw Bonhams secure the London record for Burmese rubies with a number of notable results, including a 13.34 carat cabochon Burmese ruby set in a Van Cleef and Arpels ring, dated from 1923, which sold for £350,500, and a pair of ruby and diamond clips by Cartier that sold for £482,500.

Jean is at the bejewelled helm of the fastest-growing international auction house — an especially exciting place to find yourself when the market for coloured gemstones and diamonds of the very highest calibre is stronger than ever. She remarks: “Bonhams jewellery auctions take place in some of the most prestigious sale premises — the refurbished headquarters at 101 New Bond Street which opened in 2013 boasts three new galleries providing the fi nest, most up-todate and fl exible selling space anywhere in the world, and has just won the 2015 RIBA award.”

In recent months, Bonhams has completed its annual Jewellery in June campaign, which encourages clients to visit with any forgotten items of jewellery for valuations. It has also launched on Instagram for the fi rst time, giving jewellery fans some behind-the-scenes insights into the company.

Jean is a keen traveller, both for work and pleasure, and she has a particular penchant for local markets that inspire her inner chef. She adds: “I enjoy running and playing tennis, this year I was lucky to watch the brilliant Wimbledon match between Nadal and Dustin Brown from Centre Court.”