TrendsJun 20, 2025
Dua Lipa Stays On-Trend With Chunky Engagement RingThe singer’s ring ticks off many bridal trends, with a thick band, half-bezel setting, and solitaire diamond.
GradingJun 26, 2017
GIA Selling Mounted Gem Testing Device at a Discount
The iD100, which is used to identify lab-grown diamonds even when they’re set in jewelry, is available for $3,995--for now.
The GIA is selling its new GIA iD100, which was created to screen for man-made diamonds in finished jewelry, for $3,995 through the end of the month.
Hong Kong--The Gemological Institute of America’s new testing device that can be used on both loose and mounted diamonds, the GIA iD100, is available at a lower price through the end of the month.
The GIA unveiled a prototype of the then-unnamed device at a conference on man-made diamonds held in India in April and then debuted it at the JCK Las Vegas show in early June.
The desktop device, which is pictured above, uses advanced spectroscopic technology to identify natural colorless diamonds that are at least 0.9 mm (approximately 0.005 carats) or bigger. It can be used on loose stones or diamonds that already have been mounted into pieces of jewelry.
Here’s how it works.
After turning on the GIA iD100, the user presses “Calibrate” on the touch screen. He or she then uses the probe to illuminate each stone, and the device gives both a visual and an audio response, either pass or refer. It takes one to two seconds per stone.
By identifying the natural diamonds (the stones that come up as “pass”), the instruments allows the user to pick out the stones that are either diamond simulants (CZ or moissanite) or grown by man using either the HPHT or CVD process (the stones that come up as “refer”). These then can be sent to a lab for further testing.
The GIA said the iD100 will refer 100 percent of diamonds that are either man-made or simulants.
The $3,995 price (which includes a $500 deposit to be made at the time of purchase) is available to everyone until the end of June. Those interested in placing an order should contact the GIA at instrumentsupport@gia.edu.
After June 30, the price of the iD100 will go up. A GIA spokesman said Friday that the lab has not yet set a final price for the instrument, though it has been described as being in the “$5,000 range.”
Also at JCK Las Vegas and the Hong Kong jewelry show, the lab demonstrated GIA M2M, a service and digital platform that shows consumers the journey of his or her diamond.
M2M is a digital storytelling platform and app that provides a look at all the chapters of a diamond’s story--from the mine to cutting to market.
More on Grading
The Latest
TrendsJun 20, 2025
Piece of the Week: Yvonne Léon’s ‘Python Gold’ BraceletThe bracelet references vintage high jewelry and snake symbolism as a playful piece where a python’s head becomes a working belt buckle.
CrimeJun 18, 2025
7 Men Indicted in $100M Brinks Jewelry HeistThe heist happened in Lebec, California, in 2022 when a Brinks truck was transporting goods from one show in California to another.
Brought to you by
Investing in the Next Generation of Bench JewelersThe Seymour & Evelyn Holtzman Bench Scholarship from Jewelers of America returns for a second year.
AuctionsJun 18, 2025
Historic ‘Marie-Thérèse Pink’ Diamond Fetches $14M at Christie’sThe 10-carat fancy purple-pink diamond with potential links to Marie Antoinette headlined the white-glove jewelry auction this week.
Weekly QuizJun 20, 2025
This Week’s QuizTest your jewelry news knowledge by answering these questions.
EditorsJun 18, 2025
Q&A: Caryl Capeci Dives Into Cruise Jewelry ShoppingThe Starboard Cruises SVP discusses who is shopping for jewelry on ships, how much they’re spending, and why brands should get on board.
AuctionsJun 18, 2025
16th-Century ‘Gresham Grasshopper’ Ring Sells for $56KThe historic signet ring exceeded its estimate at Noonans Mayfair’s jewelry auction this week.
Brought to you by
Jewelers of America is Headed to Las Vegas for JCK 2025The countdown is on for the JCK Las Vegas Show and JA is pulling out all the stops.
CollectionsJun 18, 2025
Kirk Kara Celebrates 135 Years With New JewelsTo mark the milestone, the brand is introducing new non-bridal fine jewelry designs for the first time in two decades.
SourcingJun 18, 2025
Gemfields Sells 36-Carat Rough RubyThe gemstone is the third most valuable ruby to come out of the Montepuez mine, Gemfields said.
TechnologyJun 18, 2025
Alex Brown Named President of Smithee GroupFounder and longtime CEO Ben Smithee will stay with the agency, transitioning into the role of founding partner and strategic advisor.
EditorsJun 17, 2025
The Best New Jewelry from Couture 2025, Part 1Associate Editor Natalie Francisco shares 20 of her favorite pieces from the jewelry collections that debuted at Couture.
ColumnistsJun 17, 2025
Peter Smith: Is Your Comp Plan a Hiring Hindrance?If you want to attract good salespeople and generate a stream of “sleeping money” for your jewelry store, then you are going to have to pay.
AuctionsJun 17, 2025
Colored Gemstones, Signed Jewels Shine in Sotheby’s High Jewelry SaleThe top lot was a colorless Graff diamond, followed by a Burmese ruby necklace by Marcus & Co.
MajorsJun 17, 2025
Amanda Gizzi Gets a Promotion at JAGizzi, who has been in the industry since 2001, is now Jewelers of America’s senior vice president of corporate affairs.
MajorsJun 17, 2025
Kering Names Automotive Exec as Its New CEOLuca de Meo, a 30-year veteran of the auto industry, will succeed longtime CEO François-Henri Pinault.
EditorsJun 16, 2025
Q&A: Bogolo Joy Kenewendo on Mining, Tariffs, and the Energy of Las VegasFollowing visits to Vegas and New York, Botswana’s minerals minister sat down with Michelle Graff to discuss the state of the diamond market.
IndependentsJun 16, 2025
Greenwich St. Jewelers Launches Commitment Campaign Celebrating LGBTQ+ CouplesThe “Your Love Has the Perfect Ring” campaign showcases the strength of love and need for inclusivity and representation, the jeweler said.
MajorsJun 16, 2025
Ivette Nersesyan-Stephanopoulos Joins Tiffany & Co.The former De Beers executive is the jewelry house’s new director of high jewelry for the Americas.
MajorsJun 16, 2025
Catbird Names WNBA Star Nyara Sabally as Its New Brand AmbassadorThe New York Liberty forward is the first athlete to represent the Brooklyn-based jewelry brand.
CollectionsJun 13, 2025
Piece of the Week: Robinson Pelham’s Pear EarringsTake a bite out of the 14-karat yellow gold “Fruits of Love Pear” earrings featuring peridots, diamond stems, and tsavorite leaves.
Events & AwardsJun 13, 2025
AGA to Host ‘Diamonds From Mine to Market’ Education ConferenceThe one-day virtual event will feature speakers from De Beers, GIA, and Gemworld International.
EditorsJun 12, 2025
15 Questions With Jewelry Photographer Ella SophieThe California-based creative talks jewelry photography in the modern era and tackles FAQs about working with a pro for the first time.
AuctionsJun 12, 2025
Vintage Patek Philippe From the ‘50s Sells for $4M at Sotheby’s Al Capone’s pocket watch also found a buyer, though it went for less than half of what it did at auction four years ago.
Events & AwardsJun 12, 2025
Gabriel Love Foundation Introduces Scholarship Honoring Elias GabrielThe foundation has also expanded its “Stronger Together” initiative with Jewelers for Children.
AuctionsJun 12, 2025
Former De Beers Exec Celine Assimon Joins BonhamsAssimon is the auction house’s new chief commercial officer.
EditorsJun 11, 2025
Q&A: Al Cook on Differentiating Natural Diamonds, Traceability, and TariffsThe De Beers Group CEO discusses the company’s new “beacon” program, the likelihood diamonds will be exempt from tariffs, and “Origin.”
