Tag Archives: Laboratory-grown diamonds

Cutting edge: How laboratory-grown diamonds are innovating diamond design

By Alethea Inns

Gemmological laboratories are the proverbial canary in the coal mine of materials being certified for the retail jewellery market. Indeed, the scientists working in these facilities are highly trained in the gemmological analysis of diamonds, the detection of laboratory-grown and coloured stones, and the appraisal of finished jewellery. Those working in these labs examine millions of pieces of jewellery and individual gemstones each year and, as such, are among the first … Continue reading Cutting edge: How laboratory-grown diamonds are innovating diamond design

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Laboratory-grown detection: A three-pronged defence against undisclosed diamonds

By Alethea Inns

In any given year, gemmological laboratories screen, test, and analyze millions of diamonds. Given this plethora of data, gemmological laboratories are able to effectively track trends in not only what is coming through the laboratory, but also what is being offered for sale on the market. As such, gemmological laboratories have their finger on the pulse of what is being sold at the jewellery retail level.

One of the most common questions … Continue reading Laboratory-grown detection: A three-pronged defence against undisclosed diamonds

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50.25-ct lab-grown diamond marks largest certified by IGI

A diamond created with chemical vapour deposition (CVD) is being celebrated as the largest of laboratory-grown diamond to ever be certified by the International Gemological Institute (IGI).

Produced by Ethereal Green Diamond in Mumbai, the 50.25-carat ‘Shiphra’ was graded as having G colour and VS2 clarity. The emerald-cut polished stone was fashioned from a Type IIa rough crystal, which took approximately eight months to grow.

“This gemstone is a paradigm shifting breakthrough, surpassing 50 carats … Continue reading 50.25-ct lab-grown diamond marks largest certified by IGI

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