Gemological Institute of America
The Gemological Institute of America (GIA) is one of the world’s most respected authorities on gem grading, research, and education. Its certifications and standards shape consumer trust and influence pricing across the UK jewellery trade, making it essential for retailers, designers, and wholesalers to stay informed on GIA developments.
Jewellery Focus provides expert coverage on GIA’s work, including updates to grading systems, research findings, training programmes, and their impact on the UK market. Our reporting helps professionals understand how GIA initiatives affect supply chains, certification practices, and business strategies.
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Apr- 2016 -5 AprilEconomy
Polished diamond prices remain stable in March
Prices of polished diamonds remained stable in March, according to the latest RapNet Diamond Index (RAPI) from the Rapaport Group. The company said prices were supported by steady dealer trading even though the outlook for consumer demand remains uncertain. It added, in the first quarter, sentiment improved as polished prices…
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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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15 MarchAuctions
Rare blue diamond could fetch £24.7m at auction
Sotheby’s is set to auction the world’s largest oval fancy vivid blue diamond ever to go under the hammer. The De Beers ‘Millennium Jewel 4’ – set to be auctioned at Sotheby’s Magnificent Jewels and Jadeite Spring Sale on 5 April, 2016 – is expected to sell for between $30m…
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1 MarchEconomy
Polished diamond prices remain firm in February
The price of polished diamonds continued to rise in February continuing the uptrend since November, according to new figures. The latest RapNet Diamond Index (RAPI) from the Rapaport Group said the market was supported by continued shortages, while trading slowed during the month as dealers in China and Hong Kong…
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Feb- 2016 -25 FebruaryTrade Organisations
Rapaport launches Investment Diamond Grading Report
The Rapaport Group has announced the launch of a new diamond grading report – the Rapaport Investment Diamond Report (IDR). The new report conservatively grades diamonds based on Gemological Institute of America (GIA) standards. It will also provide additional gemological information including tint, location and colour of inclusions as well…
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19 FebruaryCurrent Affairs
WFDB warns of synthetic diamonds fraudulently marked as natural
The World Federation of Diamond Bourses (WFDB) has announced it has been informed that a vendor on online wholesale trading platform, Alibaba, is offering fraudulent diamonds. WFDB said the vendor is offering CVD lab-grown synthetic diamonds inscribed with the numbers of genuine GIA-graded natural diamonds reports. The seller on Alibaba,…
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2 FebruaryEconomy
Polished diamond prices rise for third consecutive month
Prices of polished diamonds have continued to rise in January as shortages continued to support the market, which also saw a boost from the holiday season. That is according to the latest RapNet Diamond Index (RAPI) which found the price of 1-carat, GIA-graded diamonds rose 0.9% during the month. RAPI…
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Jan- 2016 -5 JanuaryEconomy
Polished diamond prices increase in December
The price of polished diamond continued to increase in December, boosted by last-minute Christmas holiday orders. The latest Rapnet Diamond Index (RAPI) from Rapaport found the price of 1-carat, GIA-graded diamonds increased 1.5% during the month. RAPI for 0.30-carat diamonds and 0.50-carat diamonds increased by 4.7% and 3% respectively, while…
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Dec- 2015 -8 DecemberCurrent Affairs
Polished diamond prices increase for first time in six months
Polished diamond prices increased in November for the first time in six months, boosted by shortages of select categories and seasonal holiday demand. That is according to the latest RapNet Diamond Index (RAPI) which found 1-carat, GIA-graded diamonds rose 0.7% in price in November – its first increase in six…
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Oct- 2015 -29 OctoberCurrent Affairs
RapNet suspends members suspected of falsifying GIA reports
RapNet, the diamond trading network from Rapaport, has suspended 10 members pending further investigations surrounding alleged falsifications of Gemological Institute of America (GIA) reports. RapNet said the members have also been suspended by the GIA for allegedly participating in a scheme that hacked into the GIA’s computer system and upgraded…
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