Gemological Institute of America
The Gemological Institute of America (GIA) is a global authority in gemstone grading, research, and education, setting standards that influence pricing, certification, and consumer trust across the UK jewellery trade. For jewellers, designers, and suppliers, staying informed about GIA developments is essential to maintaining credibility and meeting market expectations. Jewellery Focus provides coverage of GIA’s latest innovations, grading updates, training programmes, and insights into how its work shapes the commercial and technical landscape of the industry.
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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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5 MayAuctions
Largest rough diamond discovered in 100 years could fetch £48m at auction
The largest rough diamond to be discovered in over a century could sell for more than $70m (£48m) at a Sotheby’s auction. The 1109-carat ‘Lesedi la Rona’ – the largest gem-quality rough diamond to be discovered in over a century and the largest rough diamond in existence today – will…
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Apr- 2016 -7 AprilAuctions
Record-breaking pink diamond could fetch £27m at auction
The largest fancy vivid pink pear-shaped diamond to ever be offered at auction is expected to go under the hammer for $28m to $38m (£19.9m to £27m). The 15.38-carat ‘Unique Pink’ diamond – unveiled in London today – received the highest possible colour grading for a pink diamond from the…
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Mar- 2016 -31 MarchCurrent Affairs
GIA predicts more synthetic diamonds to be introduced to the industry
Research published by the Gemological Institute of America (GIA) has predicted a “significant” rise in the number of high-pressure, high-temperature (HPHT) synthetic diamonds to enter the market. The announcement follows a visit in early March 2016, where researchers visited a diamond factory in China and obtained 50 crystals ranging from…
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