Just days after certifying a record-setting 35 carat lab grown diamond, IGI has certified a 50.25 carat specimen measuring 22.95 x 18.45 x 11.57 millimeters - the first lab grown diamond to surpass the significant “half-century” mark in carat weight.
IGI has analyzed and graded a 35.00 carat laboratory grown diamond measuring 23.37 x 15.24 x 9.06 millimeters, the largest to date. Produced by Maitri Lab Grown Diamonds (Maitri), the new record holder was grown using the Chemical Vapor Deposition (CVD) process.
JCK attendees are invited to join IGI for two educational sessions, Thursday at 5:00 and Saturday at 10:00, at the 2023 JCK Show in Las Vegas.
David Gotlib, a third-generation diamantaire, has been re-elected Chairman of the Antwerp Diamond Bourse, an organization that has promoted and safeguarded the interests of Antwerp's diamond industry for the past 120 years.
The 11.16 carat Bulgari Laguna Blu, the most valuable gemstone ever sold by Bulgari, will go to auction in Geneva May 12, with a pre-sale estimate of more than $25 million. With this announcement, Sotheby's is poised to complete a trifecta of extraordinary, record breaking colored stone sales.
Last week the "Lion of Merelani," a spectacular 116.76 carat tsavorite garnet, was unveiled at the Smithsonian's National Museum of Natural History. This exquisite gemstone has been recorded as the largest tsavorite ever cut in the United States and the largest precision-cut tsavorite in the world.
The first international edition of the popular IGI D Show will take place from May 5-7 in Dubai, UAE. Over 100,000 designs from 33 jewelry manufacturers will be on display for representatives from more than 150 prominent retail brands and chain stores.
Students of the Eugenio Montale Institute in Italy participated in a series of learning sessions involving gemstones and human values. Gemologist Francesco Sequino added his professional experience and insight on behalf of the International Gemological Institute.
The world's largest diamond cutting and polishing center exists in Surat, the second largest city in India’s Gujarat province. There are well over 5,000 cutting and polishing factories, ranging from family run businesses to many of the diamond industry's biggest players.
Since the 15th century the diamond ring has been the celebrated symbol of faithfulness, love and commitment. Starting in 1975, when IGI was first established in Antwerp, the world capital…
As lab grown diamonds gain popularity consumers have questions about the "post-growth treatment" comment seen on many IGI grading reports. Post-growth treatments are commonly used to reduce, eliminate or change the diamond's color-appearance. Logically, people want to know "are the treatments permanent?"
There are two sophisticated ways of producing lab-grown diamonds. One process assembles the diamond in vertical layers and the other uses a metal catalyst to dissolve carbon. These different approaches produce inclusions which differ from those seen in natural diamonds.
Rio Tinto has introduced an 18.08 carat yellow diamond from their Diavik mine in Canada, flanked by 4.09 carats of pink diamonds from their retired Argyle mine in Australia.
Last month IGI instructed a Polished Diamond Course in Antwerp attended by 15 students from 12 different countries; the most nationalities hosted in one class at IGI's 14 worldwide schools since the pandemic.
Diamond Standard's coin, the world's only market-traded diamond commodity, is up 30% in the two years since launch, outperforming gold by almost 40% and the S&P 500 by 20%. Last week that commodity's first spot market was established, giving all investors in the product liquidity.
Earlier this month IGI participated in a presentation at the Antwerp Diamond Bourse. The session, staged in the heart of Antwerp's historic diamond district, was part of a 'diamond immersion tour,' arranged for a group of 60 jewelry enthusiasts.
The spellcaster in L. Frank Baum's fictional land of Oz may have been a charlatan, but the appropriately named Merlin diamond mine in Australia could potentially restore gem-quality diamond sparkle to that country.
Earlier this year the Los Angeles Rams became the second NFL franchise in history to win a SuperBowl being hosted in their home stadium. Rams players, team leadership and Luxury Jeweler Jason of Beverly Hills collaborated to create a uniquely commemorative championship ring.
Van Cleef & Arpels combined an exceptional rough diamond with state of the art planning and inspiring jewelry design to create 25 stunning mystery set pieces, all with diamonds cut from the same rough stone.
Van Cleef & Arpels combined an exceptional rough diamond with state of the art planning and inspiring jewelry design to create 25 stunning mystery set pieces, all with diamonds cut from the same rough stone.