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Okavango
Botswana Unveils 20ct. Okavango Blue Diamond
Okavango Diamond Company (ODC) has revealed a 20-carat polished stone, the largest blue diamond to come out
News Apr 17, 2019 Rapaport News
AGC
Kelly Newton Receives AGS’s Shipley Award
The American Gem Society (AGS) has given Arkansas jeweler Kelly Newton its Robert M. Shipley award
News Apr 16, 2019 Rapaport News
Graff
Graff Cuts 302ct. Diamond from Lesedi La Rona
Graff has unveiled the 67 polished stones it cut from the 1,109-carat Lesedi La Rona, including a record-breaking 302-carat
News Apr 10, 2019 Rapaport News
GIA
GIA Aligns Lab-Grown Reports with FTC Standards
The Gemological Institute of America (GIA) has updated the language in its lab-grown-diamond certificates to conform to the recent
News Mar 31, 2019 Rapaport News
GIA Diamond Origin Report
GIA Unveils New Diamond Origin Report
The Gemological Institute of America (GIA) is rolling out a new grading report that will highlight the country
News Mar 28, 2019 Rapaport News
DiamondDect5
What Makes a Good Synthetics Detector?
The massive project by the Diamond Producers Association (DPA) and Signet Jewelers to test and review 18 synthetic-diamond
News Mar 12, 2019 Joshua Freedman
HRD
HRD Makes Key Changes to Lab-Grown Reports
HRD Antwerp has changed the language it uses in its lab-grown-diamond certificates to match its reports for natural
News Mar 06, 2019 Rapaport News
RapNet Kristall Smolensk Crown
Seller Puts $15.5M Crown on RapNet
Russian diamond manufacturer Kristall Smolensk is selling a replica of the Great Imperial Crown of the Russian Empire on RapNet’s
News Mar 06, 2019 Rapaport News
DPA synthetics detectors study Mar 2019
DPA Puts Synthetics Detectors to the Test
A synthetics detector costing less than $7,000 is one of only two machines that conclusively identified 100% of lab-grown
News Mar 05, 2019 Rapaport News
Alrosa
Alrosa Showcases ‘Record-Breaking’ Pink
Alrosa has launched an exhibition of rare polished colored diamonds, including a 14.83-carat pink that is the largest of its
News Feb 13, 2019 Rapaport News
Rough diamond credit Shutterstock
Gübelin Testing Nano-Tracking for Diamonds
Gübelin Gem Lab is studying how it can place microscopic labels on diamonds to track them through the supply
News Feb 13, 2019 Joshua Freedman
Irradiated melee
GIA Spots CVD Stone in Parcel of Treated Melee
In a rare case, the Gemological Institute of America (GIA) has discovered an irradiated chemical vapor deposition (CVD) diamond
News Feb 10, 2019 Rapaport News
GIA
GIA Sheds Light on De Beers’ Synthetics
Two white lab-grown diamonds from De Beers’ Lightbox brand have G color and VS clarity, the Gemological Institute
News Feb 07, 2019 Joshua Freedman
GIA mistaken
‘Lab-Grown’ Diamond Turns Out to Be Natural
A client of the Gemological Institute of America (GIA) wrongly submitted a natural diamond as a lab-grown stone, the organization said.
News Feb 06, 2019 Rapaport News
GIA Alexandrite
GIA to Issue Alexandrite Reports
The Gemological Institute of America (GIA) will expand its Colored Stone Identification & Origin Report services
News Feb 03, 2019 Rapaport News
GIA
GIA to Give Out $2M in Scholarships
The Gemological Institute of America (GIA) will offer $2 million in scholarship funds to aspiring students in 2019, it said Wednesday.
News Jan 31, 2019 Rapaport News
Mouawad Dragon
Mouawad Cuts Record Yellow Diamond
Mouawad has manufactured a 54.21-carat polished yellow stone, which, it claims, is the largest of its shape and color
News Jan 30, 2019 Rapaport News
GIA Matthew Tratner 150
Matthew Tratner Takes On Role at GIA
The Gemological Institute of America (GIA) has appointed Matthew Tratner global director of business development. Tratner will
News Jan 29, 2019 Rapaport News
Dimmixk and Danforth 150
Trade Sees Three New Appointments
Three industry members have found homes in executive positions at Jewelers’ Security Alliance (JSA), Jewelers Mutual Insurance
News Jan 21, 2019 Rapaport News
Shigley
GIA Honors James Shigley with Top Award
The Gemological Institute of America (GIA) has awarded its highest honor to veteran researcher Dr. James Shigley,
News Jan 09, 2019 Rapaport News
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