EditorsDec 31, 2025
The Top 5 Stories of 2025Articles about crime, engagement rings, and a necklace worn in the World Series generated the most interest among readers.
GradingJun 13, 2017
De Beers Lab Introduces Screening Device for Set Jewelry
The International Institute of Diamond Grading & Research said it is the first device in the industry that can test multiple stones set in jewelry at once.
Las Vegas--The International Institute of Diamond Grading & Research just introduced what it says is the first screening device for man-made diamonds that can test multiple stones in set jewelry at once.
The De Beers Group-owned lab, which has facilities in the U.K., India and Belgium, previewed the device at the recent JCK Las Vegas show.
Called SYNTHdetect, it uses IIDGR’s patented luminescence technology to screen diamonds of all sizes that already have been set in rings, earrings, bangles, brooches and necklaces.
The IIDGR’s Christopher Sanger said what sets the device apart is its ability to test multiple diamonds at once and not have to screen them one by one.
“If you had a ring with 300 melee stones in it, you could test them as one, rather than a probe, where you’d have to individually do each one,” he told National Jeweler via email. “This is the unique thing about this new instrument, and something no other can do.”
The IIDGR said that the referral rate for SYNTHdetect--meaning the number of natural (mined) diamonds that erroneously get referred for further testing--is 0.05 percent, the lowest in the industry. (As with other detection instruments, any stones that are referred should be submitted to a grading lab for further testing.)
Intended for back-office use by jewelry manufacturers and retailers, it is priced at $16,250.
The SYNTHdetect machine is slightly bigger than a PC and has a touch-screen monitor. It will be available for distribution in the fall.
The device is the latest in a line of second-generation detection instruments for man-made diamonds developed by IIDGR, following on the heels of the PhosView last year, which is designed to scan parcels of diamonds, and the AMS2 this spring, the updated version of its automated melee screener.
It also is the second man-made diamond screening device for set jewelry introduced by a major laboratory this year.
Back in April, the Gemological Institute of America unveiled a prototype of a machine that tests both mounted and unmounted diamonds to separate HPHT- and CVD-grown diamonds from mined stones.
The GIA’s device, which will be available by the end of the year and cost between $4,000 and $5,000, tests gems one by one using a spectroscopic probe to examine the fluorescence spectra of each stone. The lab said it refers 100 percent of man-made diamonds.
The IIDGR is taking orders for SYNTHdetect now, with deliveries beginning
More on Grading
The Latest
MajorsDec 30, 2025
Becka Johnson Kibby to Lead Edge Retail AcademyAs part of the leadership transition, Sherry Smith will take on the role of vice president of coaching strategy and development.
SourcingDec 30, 2025
India Chosen as KP Chair for 2026It marks the third time the country has headed the Kimberley Process. Ghana will serve as vice chair.
Brought to you by
Impacting Tomorrow TodayHow Jewelers of America’s 20 Under 40 are leading to ensure a brighter future for the jewelry industry.
WatchesDec 30, 2025
Bulova, Stetson Collab on Watches With Western FlairThe new Bulova x Stetson designs highlight two animals often associated with the American West—the bison and the Texas Longhorn.
Weekly QuizDec 23, 2025
This Week’s QuizTest your jewelry news knowledge by answering these questions.
CollectionsDec 30, 2025
Rahaminov Diamonds Pops Up in FloridaIts residency at Yamron Jewelers will run through May 2026.
IndependentsDec 29, 2025
In Memoriam: Industry Friends We Lost in 2025From influential executives to innovative designers, we pay tribute to the people we said goodbye to this year.
Brought to you by
Roseco Releases New Full-Line CatalogRoseco’s 704-page catalog showcases new lab-grown diamonds, findings, tools & more—available in print or interactive digital editions.
MajorsDec 29, 2025
Tanishq Opens New Stores in Florida, VirginiaThe retailer is expanding into areas with large Indian and South Asian populations.
MajorsDec 29, 2025
Nanis Opens First Flagship Store The Italian brand has opened its first flagship amid the peaks of the Dolomites in Madonna di Campiglio, Italy.
SourcingDec 29, 2025
‘Unearthed: Raw Beauty’ Exhibition Opens at LA MuseumThe new curation at the Natural History Museum of Los Angeles County showcases rare gem and mineral specimens in their uncut, natural state.
CrimeDec 24, 2025
LA Jewelry District Couple Pleads Guilty to Hiding Millions from IRSThe couple pleaded guilty to concealing at least $127 million in cash transactions at its precious metals businesses.
SurveysDec 24, 2025
Consumer Confidence Falls Again in DecemberConsumers shared concerns about prices, inflation, tariffs, trade, and politics in the survey’s write-in response section.
AuctionsDec 24, 2025
Bonhams to Open New U.S. Flagship in NYCIn February 2026, the auction house will move its headquarters to the former Steinway Hall, a neoclassical landmark on Billionaires’ Row.
Events & AwardsDec 24, 2025
NYC Jewelry, Antique, & Object Show Announces Winter EventThe new show will take place Jan. 23-25, 2026.
SourcingDec 23, 2025
Mining Titan Brian Gilbertson Dies at 82The former BHP Billiton leader and Gemfields chairman is remembered for his influential leadership throughout his 50-year mining career.
Events & AwardsDec 23, 2025
Bulgari Reimagines Costume Designers Guild AwardThe LVMH-owned brand has partnered with the costume design union to revamp its award for 2026.
MajorsDec 23, 2025
Kering to Acquire Stake in Raselli Franco GroupThe luxury titan inked a deal to acquire an initial minority stake in the jewelry manufacturer with a pathway to full ownership by 2032.
MajorsDec 23, 2025
For Future Reference Vintage Enters Bloomingdale’sThe company’s curation of unsigned vintage and estate jewelry debuted at the Bloomingdale’s in Costa Mesa, California.
CrimeDec 22, 2025
Customs Seizes Hundreds of Fake Rolex, Cartier WatchesIn the recent multi-shipment seizure, CBP also found counterfeit Audemars Piguet, Moncler, and Chrome Hearts items.
EditorsDec 22, 2025
How Helzberg Is Reimagining Its StoresHelzberg’s Chief Retail Officer Mitch Maggart shared details about its tests of a new store concept rooted in an elevated luxury experience.
Recorded WebinarsDec 22, 2025
2025 Jewelry Rewind: Looking Back on an Eventful Year Jewelers of America execs and National Jeweler editors discuss tariffs, the sky-high gold price, and the engagement that broke the internet.
MajorsDec 19, 2025
MadaLuxe Group Acquires Ippolita The luxury goods company said founder Ippolita Rostagno will remain at the brand’s helm.
MajorsDec 19, 2025
LVMH Names New Bulgari CEOLaura Burdese, who joined the Italian luxury brand in 2022, will take on the role in July.
EditorsDec 19, 2025
2025 Jewelry Superlatives: A Yearbook-Style Year in Review The National Jeweler editors revisit the most noteworthy industry happenings and design trends from 2025.
AuctionsDec 19, 2025
Jean Schlumberger’s ‘African Cat’ Is Purr-Fection Need a gift for the cat lover who has everything? Look no further than our latest Piece of the Week.
AuctionsDec 18, 2025
Audemars Piguet Reclaims Historic Pocket Watch at AuctionIt purchased the “Grosse Pièce,” an ultra-complicated Audemars Piguet pocket watch from the ‘20s, for a record-breaking price at Sotheby’s.
