SurveysApr 24, 2026
Mother’s Day 2026 Jewelry Spending to Top $7B, NRF SaysNRF’s annual survey found that 45 percent of consumers plan to purchase jewelry for a loved one this Mother’s Day.
GradingMar 28, 2016
De Beers launches high-volume melee testing
De Beers now is using its automated melee screener at its International Institute of Diamond Grading & Research facility in Surat, and plans to launch the service at the IIDGR lab in Antwerp next month.
London--
Editors' Picks
Sponsored by
De Beers has begun using its new automated melee screening device at its International Institute of Diamond Grading & Research facility in Surat, and plans to begin offering the same at the IIDGR lab in Antwerp next month.
The device automatically feeds the stones, table-down, into a testing station. After testing, the diamonds are dispensed into one of five bins: pass, refer (more testing is needed), refer Type II (more testing needed, higher likelihood of being synthetic), non-diamond (simulant) or purge (for diamonds that were erroneously loaded into the machine).
They then are returned in a sealed IIDGR package that De Beers said is tamper-proof.
The potential mixing of less-expensive lab-grown diamonds with natural, or mined, diamonds is of growing concern in the industry as diamond growers up production levels and improve quality. Melee is particularly problematic because it often slips through the supply chain untested due to the fact that there aren’t many cost-effective and efficient ways of checking these tiny stones.
In order to combat the problem, De Beers introduced an automated melee screener in January 2014, shortly after the Gemological Institute of America unveiled the DiamondCheck, which also can separate lab-grown melee from mined, starting with diamonds that are as small as one point.
De Beers initially said it would be leasing out the devices to sightholders beginning in the second quarter 2014 and installing multiple machines at the IIDGR in Antwerp later that same year. (The IIDGR in Surat was not yet open at that time.)
David Johnson, a De Beers spokesperson, said that total of five pre-production prototype automated melee screening devices have been in use in Antwerp for two years, as the IIDGR has been testing their durability and accuracy.
The beginning of the service this week marks the transition from testing to widespread use mode for the machine, which IIDGR President Jonathan Kendall said in a statement will “play an important role in supporting both trade and consumer confidence.”
“Sellers will be able to provide potential buyers with pre-checked goods in sealed IIDGR packages, removing any potential concerns around disclosure,” he said.
De Beers began using the automated melee screener, along with other proprietary instruments, at the IIDGR lab in Surat on Wednesday. The facility has a room specifically designed for melee testing.
Melee testing is set to begin Nov. 12 at the IIDGR lab in Antwerp, which also has a room outfitted specifically for melee.
The service will be offered at an introductory discount of 50 percent off in both India and Belgium through the end of the year. For more information, email testing@iidgr.com or visit IIDGR.com.
As for sightholders, De Beers ended up selling, not leasing, them the automated melee screeners.
Large manufacturers including Kiran Gems, Tasaki, Rosy Blue and Stuller have acquired the devices, playing $55,000 plus a three-year support and maintenance charge of $10,000 a year.
More on Grading
The Latest
TechnologyApr 24, 2026
TwentyFour’s Digital-Age Locket Is a Virtual VaultThe “Vault” charm, our Piece of the Week, expands on the memories that can be stored in a locket by connecting to your phone.
Events & AwardsApr 24, 2026
Hamptons Jewelry Show to Return in JulyThe open-to-the-public luxury jewelry and timepiece show, in its second year, is slated for July 23-26.
Brought to you by
Discover Timeless Treasures: A Showcase of Antique Jewelry & Timepieces in Las VegasGain access to the most exclusive and coveted antique pieces from trusted dealers during Las Vegas Jewelry Week.
IndependentsApr 23, 2026
Meet the Real Moms of Day’s JewelersThe jeweler’s Mother’s Day campaign highlights the women who work there—mothers, grandmothers, women who want to be mothers, and dog moms.
Weekly QuizApr 23, 2026
This Week’s QuizTest your jewelry news knowledge by answering these questions.
Supplier BulletinApr 23, 2026
JM® Shipping Solution: Smarter Shipping for High-Value GoodsSponsored by Jewelers Mutual
Lab-GrownApr 23, 2026
Charles & Colvard May Sell Assets for $1.5MThe proposed agreement follows the moissanite maker’s Chapter 11 bankruptcy protection filing last month.
Brought to you by
Las Vegas Antique Jewelry & Watch Show: Showcasing the Most Collectible Merchandise from Across the GlobeGain access to the most exclusive and coveted antique pieces from trusted dealers during Las Vegas Jewelry Week.
AuctionsApr 23, 2026
John Jacob Astor IV’s Titanic Pocket Watch Fetches $1MThe Patek Philippe for Tiffany & Co. timepiece Astor brought aboard the ill-fated ship sold for double its estimate at a Freeman’s auction.
CollectionsApr 23, 2026
Adam Neeley’s High Jewelry Collection Steps Into Salvador Dalí’s GardenThe “Dalí’s Garden” collection was inspired by a surreal dream Neeley had after cooking a recipe from Salvador Dalí’s 1973 cookbook.
IndependentsApr 23, 2026
Windsor Jewelers Names New Buying DirectorNatalie Feanny has been appointed to the role.
CrimeApr 22, 2026
New Mexico Couple Pleads Guilty to Selling Fake Native American JewelryThe pair falsely claimed their jewelry was made by Navajo artists, but it was imported from Vietnam.
AuctionsApr 22, 2026
Roberta Flack’s Jewelry Is Going Up for AuctionJulien’s Auctions is selling the musician’s fine and fashion jewelry alongside her clothing, gold records, and other memorabilia.
CollectionsApr 22, 2026
British Museum Curator Pens Book on ‘The Tudor Heart’Rachel King’s book dives into the history of the pendant believed to have belonged to Henry VIII and his first wife, Katherine of Aragon.
Events & AwardsApr 22, 2026
Here’s What Sy Kessler Has on Tap for Las Vegas The company will have deals on precious metals testers as well as the latest in lab-grown diamond detection technology and security.
WatchesApr 21, 2026
Coco Chanel Enters the Game with New Watch CollectionGabrielle “Coco” Chanel is a character in the “Coco Game” collection of watches and the queen in its first haute horlogerie chessboard.
IndependentsApr 21, 2026
Meet Jewelers of America’s 2026 ‘20 Under 40’ ClassThe annual list honors rising professionals on the retail and supply sides of the jewelry industry.
CrimeApr 21, 2026
Customs Nabs 1,500 Pieces of Counterfeit Jewelry Bound for NYCSeized in Kentucky, the packages include fake Cartier, Tiffany & Co., Chanel, and Fendi jewelry.
CrimeApr 20, 2026
Queens Man Convicted in Bludgeoning Death of Pawn Shop OwnerRodolfo Lopez-Portillo faces 25 years to life in prison after being found guilty in the March 2022 beating death of Arasb Shoughi.
TrendsApr 20, 2026
Beth Bernstein, Sonia Esther Soltani Pen New Jewelry Book“Jewelry Creators: Dynamic Duos and Generational Gems” highlights the relationships among 22 influential designers, brands, and gem dealers.
Events & AwardsApr 20, 2026
Atlanta Jewelry Show’s Spring Event Is Hitting the RoadThe AJS Spring 2027 show will be held in Savannah, Georgia, with future shows taking place in other Southeast cities.
MajorsApr 20, 2026
Kendra Scott Names New CFO, Chief Business OfficerThe jewelry retailer plans to open 20 new stores this year and expand into new product categories.
TrendsApr 17, 2026
New (Groundbreaking) Floral Jewelry for Spring 2026Flower motifs are the jewelry trend blooming amongst the new collections that debuted this spring.
MajorsApr 17, 2026
QVC Group Files for Chapter 11 BankruptcyThe retailer reported an 8 percent decline in annual sales as it struggles under the weight of billions of dollars of debt.
CollectionsApr 17, 2026
Edina Kiss’ Earrings Are the Devil on Your ShoulderThe “Devil” drop earrings, our Piece of the Week, are part of designer Edina Kiss’ new namesake jewelry line that she will show at Couture.
CrimeApr 17, 2026
FBI Issues Warning to Refineries, Retailers Due to High Price of GoldThe alert states that burglary crews are targeting jewelry businesses and details how jewelers and refineries can protect themselves.
WatchesApr 16, 2026
Cartier Brings Back the RoadsterThe “watchmaker of shapes” debuted the reworked version of the vintage sports car-inspired timepiece at Watches & Wonders.
