Gemological Institute of America
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Apr- 2017 -4 AprilAuctions
‘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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Dec- 2016 -14 DecemberRetailers
Harrods to present one of world’s ‘rarest diamonds’
Luxury department store Harrods has unveiled what it claims is one of the world’s rarest diamonds. The 228.31-carat gem is referred by its owner – who chose to remain anonymous – as the ‘Harrods Diamond’ and has been kept secret in the Knightsbridge store’s safe deposit until now. The pear-shaped…
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Nov- 2016 -9 NovemberAuctions
‘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 OctoberAuctions
‘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 -13 SeptemberTrade Organisations
Natural Colour Diamond Association (NCDIA) launches in the UK
The Natural Colour Diamond Association (NCDIA) has announced it is to host its first meeting in the UK. The association, which launched in 2003, is a non-profit membership organisation that aims to “train, enlighten and educate” the global jewellery community and natural colour diamonds. Its first UK meeting will take…
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Jun- 2016 -30 JuneAuctions
Largest diamond discovered in a decade fails to sell at auction
The world’s largest rough diamond found in a decade has failed to sell at a London auction after bids did not reach the minimum reserve price. The 1109-carat ‘Lesedi la Rona’ – the largest rough diamond in existence today – was uncovered by diamond production firm Lucara in November 2015…
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10 JuneAuctions
Blue diamond sells for record-breaking £17.5m
The Cullinan Dream has sold at auction for $25.3m (£17.5m), making it the most expensive fancy intense blue diamond to have ever gone under the hammer. The 24.18-carat diamond – sold at Christie’s Magnificent Jewels & The Cullinan Dream auction in New York on Thursday 9 June – is named…
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May- 2016 -25 MayAuctions
World’s largest fancy intense blue diamond could fetch £19.8m
The world’s largest fancy intense blue diamond – the ‘Cullinan Dream’ – to go under the hammer could fetch up to $29m (£19.8m). The 21.18ct diamond will be auctioned as the centrepiece of Christie’s Magnificent Jewels and The Cullinan Dream auction on 9 June 2016 in New York, with the…
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23 MayAppointments
Steven Stone Jewellers appoints new director
Steven Stone Jewellers has appointed Max Stone as director of the family-owned business. Stone, who represents the third generation of the family-owned company, will oversee the company’s Hale showroom in Cheshire, with the firm’s Palm Beach showroom operated by his father, Steven Stone, and its London showroom run by Max’s…
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18 MayAuctions
Pink diamond sells for record-breaking £21.8m
The seller of the most expensive polished diamond ever sold at auction has broke another record with the sale of the largest fancy vivid pear-shaped pink diamond. The 15.38-carat diamond – named ‘Unique Pink’ – sold for $31.56m (£21.8m) at Sotheby’s Geneva on Tuesday 17 March and became the most…
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