Jewellery Focus November 2018 | Page 23

FEATURE can find some of pieces featuring these rare stones it always brings in higher auction sales”. This is a sentiment shared by Emily Barber, head of the UK jewellery department at Bonham’s: “I think it’s fair to say that there is an increase in demand for the very best examples in period jewellery and top-quality gemstones. Superlative jewels that are new to the market tend to come from old private collections and thus a diminishing pool so when they appear at auction they generate enormous interest with our global buyers.” During her time at Bonhams Barber has presided over a number of record-breaking auction results, including the sale of ‘The Hope Spinel’. by 19th Century connoisseur Henry Philip Hope,” she says. “Hope’s collection of precious gems, diamonds and natural pearls was one of the finest ever assembled. Hope also owned the ‘Hope Diamond’, a 45.52ct Fancy Deep Blue diamond, believed to have belonged to Louis XIV of France and now in the National Museum of Natural History in Washington DC.” Fancy Deep Blue diamond, ‘trombino’ ring, by Bulgari - Sold: 24 April 2013 - Price: £6,201,250 Emily Barber, head of the UK jewellery department at Bonham’s November 2018 | jewelleryfocus.co.uk ‘‘ La Peregrina is one of the most famous pearls in the world. Its history spans almost 500 years, and it has passed from the African slave who found it at Pearl Islands in the Gulf of Panama, to European kings and queens ‘‘ carat diamond (which sold for $254,400 per carat) was acquired by Harry Winston just months after the brand was acquired themselves by the Swatch Group. “101 carat D-colour, completely flawless. Again they cannot come any better there was no imperfection whatsoever. A fabulous and perfect diamond which was purchased by Harry Winston, thus the name. Everything about this piece is just triple-A,” comments Curiel. Along with these pieces Curiel cites signed pieces from very famous makers from the ‘20s and ‘30s like Van Cleef, Bucherer, Bulgari are all in “great demand”. He explains it is because some of those pieces contain “beautiful Colombian emeralds or cashmere sapphires or Goldconda diamonds from India”. He says these older pieces contain “those types of rare gems and are so difficult to find today - when we The Hope Spinel Sold: 24th September 2015, London - Price: £962,500 A 50-carat spinel that once sat alongside The Hope Diamond in the great 19th Century gem collection belonging to Henry Philip Hope. This historic jewel was sold to international acclaim by Bonhams London in September 2015 for a world record price of £962,500 - a world record price for a spinel at auction. Describing the piece, Barber explains the spinel came from a private collection and had not been seen on the market since 1917. “Through extensive and brand-new research undertaken by Bonhams, we were able to prove that it had once been owned The fancy deep-blue diamond is set in a ‘Trombino’ ring made by Bulgari, the renowned Italian jeweller favored by Hollywood film stars, and the epitome of fashion and innovation during the 1960s. The ring was made circa 1965 and set an auction world record of US$1.8m price per carat, for a fancy deep blue diamond, a record Bonhams still holds. Barber says: “At the time the blue diamond was sold in 2013, fewer than 30 fancy blue diamonds, weighing over 5cts in weight, had appeared at auction in the previous 10 years, giving a good indication just how rare exceptional and large coloured diamonds are. The diamond had a high degree of transparency and ‘liquid fire’ and had a beautiful flat antique cut that suggested it might have been from an old Indian mine, perhaps even the legendary Golconda mines that are known to have yielded the world’s most famous historic blue diamonds.” JEWELLERY FOCUS 23