SurveysApr 03, 2025
2025 Retail Sales to Grow More Slowly Amid ‘Uncertainty,’ Says NRFThe National Retail Federation expects retail sales growth to return to pre-pandemic levels as consumers continue to face inflation.
SourcingOct 11, 2017
Gemfields Sells 6,100-Carat Rough Emerald at Oct. Auction
Also, the Gübelin Gem Lab used the sale to launch its pioneering emerald tagging system to trace stones from mine to market.
This 6,100-carat rough emerald, named “Insofu,” which means “baby elephant” in Bemba, sold at Gemfields most recent emerald auction in Zambia.
London--Gemfields held its first emerald auction since Pallinghurst took over this summer, and reported strong results.
The auction of higher-quality rough emeralds was held in Lusaka, Zambia from Oct. 2 to 5.
Revenues from the sale were $21.5 million, with an average price per carat of $66.21, the second highest ever achieved by the gemstone miner.
One hundred percent of the carats put on auction were sold, but it is also worth noting that 320,000 carats were on offer during the sale, the smallest auction of Kagem higher quality emeralds to date, as a result of reduced production at the mine over the past 12 months.
This included a rare, high-quality Zambian emerald sold to India-based DiaColor for an undisclosed amount.
The 6,100-carat gemstone was discovered at the Kagem mine in 2010 and named “Insofu,” which means “baby elephant” in the local Bema language, by Gemfields to reflect its wildlife conservation efforts.
Gemfields called the stone “exceptional” due to its size, clarity and color.
“It’s a museum piece for me,” said Rajkumar Tongya, chairman of DiaColor. “I don’t want to sell it. I would like to enjoy keeping it.”
The auction also was used to launch the high-technology system to tag and trace emeralds developed by the Gübelin Gem Lab.
The “paternity test” involves applying DNA-based nanoparticles directly onto rough emerald crystals at mining sites, allowing for the traceability of the stones back to the mine of origin, date of mining and any other data requested.
The particles, which leave no visible trace, were infused into five high-quality emeralds purchased at the sale by Zambian company Jewel of Africa.
It was the first time nanotechnology has been used commercially in the gemstone sector, according to Gemfields.
In the future, the technology will only be used at mining sites, Gübelin said, but an exception was made in this instance to demonstrate the process.
Editors' Picks
Sponsored by
More on Sourcing
The Latest
TrendsApr 03, 2025
Tallulah Willis Imbues Antique Engagement Ring With MagicThe 4-carat, old mine brilliant-cut diamond engagement ring was co-designed by Willis and New York City-based brand Karina Noel.
CollectionsApr 03, 2025
Buccellati to Open Immersive Exhibition in MilanThe multisensory experience, open April 8-13, will feature the brand’s silver creations among dream-like scenes of natural landscapes.
Brought to you by
The Heart of the Industry: Giving Bench Jewelers the Recognition They DeserveBench jewelers spend years honing their skills, Jewelers of America’s Certification validates their talents.
Policies & IssuesApr 03, 2025
Jewelers of America to Hold Webinar on TariffsThe virtual event will take place April 7 at 3 p.m.
Weekly QuizApr 03, 2025
This Week’s QuizTest your jewelry news knowledge by answering these questions.
CollectionsApr 02, 2025
Bea Bongiasca’s ‘Tarallo’ Collection Expansion Is a ZooThe pieces in “Animali Tarallo” portray animals from stingrays to elephants through portraits and interpretations of their patterns.
MajorsApr 02, 2025
Neiman Marcus’ Dallas Flagship Will Remain Open, For NowParent company Saks Global said the iconic location will be open through the holiday season as it decides what to do with the space.
Brought to you by
Natural Diamonds Should Mean MoreNatural diamonds mean more than lab-grown, but when every cut is ideal, they all look the same. Customers want more—Facets of Fire delivers.
Events & AwardsApr 02, 2025
Punchmark to Host Client WorkshopThe educational event will take place in Charlotte, North Carolina, this May.
IndependentsApr 01, 2025
Bergman Jewelers in Omaha Closing After 137 YearsThe independent jeweler first opened its doors in 1888.
MajorsApr 01, 2025
QVC Group to Cut 900 Jobs in the U.S.The layoffs come amid the TV shopping channel’s efforts to restructure and focus on live shopping through social media.
Events & AwardsApr 01, 2025
U.S. Antique Shows Adds Fall Show in FloridaThe debut event will take place in Miami’s Coconut Grove neighborhood this fall.
Events & AwardsApr 01, 2025
TJS to Host Discussion on Jewelry Industry’s Labor ShortageThe roundtable will take place May 17 ahead of the trade show’s welcome dinner.
CollectionsApr 01, 2025
Monica Rich Kosann Says ‘Good Grief’ in Peanuts Jewelry CollectionThe “Peanuts x Monica Rich Kosann” collection features the comic strip’s classic vocabulary across 10 bracelet designs.
Recorded WebinarsMar 31, 2025
Watch: What Do We Mean When We Say ‘Recycled’ Gold?Three industry experts dive into the complexities of the material often marketed as an “ethical” alternative for metal in jewelry.
TrendsMar 31, 2025
Amanda’s Style File: Dripping in DiamondsDiamonds are not only one of the most prominent gemstones, but the birthstone for those born in April.
MajorsMar 31, 2025
Lashbrook Expands Into Luxury Golf Gifts With AcquisitionThe Utah-based company known for making wedding bands has acquired Doubloon Golf.
WatchesMar 31, 2025
Bulgari CEO Jean-Christophe Babin Will Also Head LVMH WatchesThe longtime luxury executive led one of LVMH’s watch brands, TAG Heuer, for 12 years before taking over Bulgari in 2013.
CrimeMar 28, 2025
2 Suspects Arrested in $1.7M Smash-and-Grab Robbery of NY Jewelry StoreAuthorities said the robbers fled with jewelry and 70 Rolex watches, later taking pictures of themselves posing with big stacks of cash.
SourcingMar 28, 2025
19th-Century Jade Book Now Available in EnglishLotus Gemology founder Richard W. Hughes has translated Heinrich Fischer’s 1880 book “Nephrit und Jadeit” from its original German.
CollectionsMar 28, 2025
Piece of the Week: Löf’s ‘The Valentine’ RingThe ring's design features contrasting lines influenced by work from architecture-inspired photographer Nikola Olic.
SurveysMar 27, 2025
Consumer Confidence Falls in March Amid ‘Gloomy’ OutlookThe Conference Board’s index fell as consumers continued to worry about the impact of tariffs, the labor market, and the price of eggs.
AuctionsMar 27, 2025
300-Year-Old Ring Linked to Witch Trial Judge Goes Unsold at Auction However, two medieval jewels surpassed estimates at Noonans Mayfair’s recent jewelry auction in London.
WatchesMar 27, 2025
Austin Butler Joins Breitling as Brand AmbassadorThe Oscar-nominated actor debuted in the campaign for the new “Top Time B31” collection, which introduced Breitling’s Caliber B31.
SourcingMar 27, 2025
Susan Jacques, Gaetano Cavalieri to Headline 2025 ICA Congress The Congress is scheduled to take place May 19-22 in Brasilia, Brazil.
IndependentsMar 26, 2025
Bailey’s Fine Jewelry Acquires Fellow NC Independent JewelerThe family-owned retailer is the new owner of Morrison Smith Jewelers in Charlotte, North Carolina.
WatchesMar 26, 2025
Bulova Celebrates 150th Anniversary With Art Deco WatchesThe “150 Art Deco” collection features a Miss America timepiece and a pocket watch from the brand’s Archive Series.
