Auctions
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May- 2017 -18 May
De Beers to auction own polished diamonds for first time
De Beers has announced that it will auction polished diamonds manufactured from its own rough at its auction sales business for the first time in its history. It is piloting the sales of polished diamonds accompanied by its grading business, the International Institute of Diamond Grading & Research (IIDGR) and…
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16 May
Graff Diamonds acquires 323-carat diamond for £13.5m
British jewellers Graff Diamonds says it has acquired a 323.72-carat rough fragment of the Lesedi La Rona diamond. The rough diamond, which was mined in Botswana, was sold by Lucara Diamond Corp for $17.5m (£13.5m) last week to an undisclosed buyer. Graff Diamonds subsequently revealed that it had made the…
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Apr- 2017 -4 April
‘Pink Star’ diamond sells for record-breaking £57m
A rare diamond known as the ‘Pink Star’ has been sold at auction in Hong Kong for $71m (£57m) – a new world record for any gemstone sold at auction. The oval-cut pink diamond, which weighs almost 60 carats, is the largest internally flawless vivid pink diamond that the Gemological…
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Feb- 2017 -24 February
Rapaport opens auction with more than 120,000 carats of diamond
Rapaport has opened its melee auction this week with more than 120,000 carats of diamond on offer. The auction offers a broad range of recycled and finely assorted premium quality diamond parcels in all shapes, qualities and sizes. The recycled diamonds are sourced from retailers, pawnshops and refineries from around…
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20 February
Jewellery from best-selling author Jackie Collins to go under the hammer
Jewellery owned by the late best-selling author Jackie Collins is set to be sold at auction later this year. The collection of jewels will include a 6.04-carat diamond and platinum ring estimated at $100,000 (£80,000)-$150,000 (£120,000); an Art Deco diamond, emerald, stone and platinum necklace at $40,000 (£32,000)-$50,000 (£40,000); and…
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Dec- 2016 -5 December
14-carat Kashmir sapphire fetches £1.38m at auction
An “extremely rare” Kashmir sapphire single-stone ring has gone under the hammer for £1.38m. The 14.13-carat stone was the subject to “fierce bidding” at the Bonhams Fine Jewellery sale in London on Sunday 4 December, selling for more than its pre-sale estimate of £600,000 to £800,000. Jean Ghika, head of…
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Nov- 2016 -17 November
Coloured diamonds steal show at Geneva auction
Coloured diamonds remain “highly desirable”, according to auction house Sotheby’s following its recent jewellery sale in Geneva. Leading the show was a 17.07-carat emerald-cut Fancy Intense Pink diamond that soared over its pre-sale estimate of 11.81m to 14.76m Swiss Francs (£9.5m-£11.8m) to sell for 20.8m Swiss francs (£16.7m). An Internally…
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9 November
‘Extremely rare’ Kashmir sapphire to headline Bonhams’ auction
A collection of diamonds and gemstones – including a 14-carat Kashmir sapphire – will headline the final Bonhams London Fine Jewellery sale of the year on Sunday 4 December. The “extremely rare” Kashmir sapphire single-stone ring, weighing 14.3-carats, is cushion-shaped with no indications of heating and has been estimated to…
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Oct- 2016 -11 October
‘Extremely rare’ blue diamond Cartier ring could fetch £20.3m
Sotheby’s has announced it will auction an “extremely rare” fancy-vivid blue diamond ring by Cartier, which could fetch up to $25m (£20.3m). ‘The Sky Blue Diamond’ will be one of the star lots at Sotheby’s Geneva Jewellery sale on 16 November and will be exhibited in the auction house’ New…
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Sep- 2016 -21 September
Bonhams sells £2.3m rare blue diamond
Auction house Bonhams has sold a rare oval-cut fancy intense blue diamond for £2.3m. The diamond, which came from a private British collection, weighed in at 3.81 carats and sold for $792,450 per carat (£610,000). Jean Ghika, head of jewellery for Bonhams UK and Europe, said: “Blue diamonds account for…
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