CIBJO’s Coloured Stone Commission to Discuss Appropriate Nomenclature for Treated Stones
CIBJO’s Coloured Stone Commission will discuss a report on differences in terminology used by gemmological laboratories to describe treated gemstones and the way in which a sizeable number of members of the trade prefer...
GIA to Host Exhibition of Historical Jewellery Pieces from India at Carlsbad Campus
Gemological Institute of America (GIA) will host a unique exhibition of intricately designed 17th to 20th-century jewellery and ornate objects from India at its world headquarters in Carlsbad, California from October 13, 2017 –...
The World’s Largest Rough Has Been Sold (Finally)
After a bumpy sales process that included a failed Sotheby’s auction, the 1,109 ct. Lesedi La Rona—considered the largest diamond still in uncut form—has finally been sold.
Graff Diamonds bought the stone for $53 million,...
Graff acquires largest diamond discovered in over a century
The largest diamond discovered in over a century has been sold to Laurence Graff after more than a year of negotiations with Lucara Diamond Corp.
The rough stone originally failed to sell at Sotheby’s in...
Graff Buys Fancy Intense Blue Diamond for £2.68 Million at Bonhams London Sale
Graff Diamonds purchased a fancy intense blue diamond which has been held in a private collection for nearly 30 years, at Bonhams Fine Jewellery sale in London last week, paying a massive £2,685,000. The...
Spectacular Presentations at IIJW 2017 Day One
Following the special Inaugural Show presented by Nakshatra World, the rest of the first day of the 7th edition of the India International Jewellery Week (IIJW 2017) saw some spectacular presentations by well known...
Nearly 28-Carat Pink Diamond Found in Russia
Moscow--Alrosa reported this week that subsidiary Almazy Anabara has recovered what is by far the largest pink diamond in company history.
Weighing 27.85 carats, the rough diamond has dimensions of 22.47 x 15.69 x...
Rio Tinto’s red diamond enchants Asia
Rio Tinto’s iconic Argyle Pink Diamonds Tender was recently showcased to connoisseurs and collectors from across Asia in Hong Kong.
The tender was unveiled to the global diamond trade at the recently concluded September Hong...
AIGS, NCDIA unveil natural coloured diamond hub in Asia
The Asian Institute of Gemological Sciences (AIGS) has partnered with the Natural Color Diamond Association (NCDIA) in launching NCDIA Asia, which will be located at the Jewelry Trade Center in Bangkok.
AIGS will be...
Gem Diamonds Finds 6th 100-Carat-Plus Stone This Year
This 115-carat rough diamond is the latest in a string of big finds this year for London-based miner Gem Diamonds. The mining company said it is a D color, Type IIa stone.
London--Mining company Gem...
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Kalyan Jewellers Launches “Crafting Futures” to Empower Artisans
Kalyan Jewellers has introduced a transformative Corporate Social Responsibility (CSR) initiative, “Crafting Futures,” aimed at uplifting jewellery artisans and preserving traditional craftsmanship. With an...
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