In a column for the 2026 State of the Majors issue, Golan spells out how the growing economic divide in the U.S. is reshaping the market.
These Are the Researchers Set To Speak at GIA Symposium
Experts in geology, mineralogy, diamond formation and other related fields will present their findings.

Carlsbad, Calif.—Leading researchers in geology, mineralogy and diamond formation are slated to speak at the Gemological Institute of America’s upcoming symposium.
The International Gemological Symposium, an event the GIA holds every few years, is scheduled for Oct. 7 to 9 at the lab’s headquarters in Carlsbad, California.
It will include presentations from the following.
Saleem Ali, senior fellow at Columbia University’s Center on Sustainable Investment and director of the Gemstones and Sustainable Development Knowledge Hub at the University of Delaware, will discuss “Gemstones and Sustainable Livelihoods: From Mines to Markets.”
Barbara Dutrow, a professor in the department of geology and geophysics at Louisiana State University and a member of the GIA board of governors, will examine “Tourmaline: A Gemstone’s Guide to Geologic Evolution.”
Lee Groat, professor in the department of Earth, Ocean and Atmospheric Sciences at the University of British Columbia and editor of The Canadian Mineralogist, will present “Scientific Study of Colored Gem Deposits and Modern Fingerprinting Methods.”
Andrey Katrusha will present “Growing Ultra-Large Synthetic Diamonds with HPHT Methods.” He is a leading specialist in the field.
D. Graham Pearson, a fellow of the Royal Society of Canada and a professor in the Department of Earth and Atmospheric Sciences at the University of Alberta, will delve into new technologies and techniques in “Modern Advances in the Understanding of Diamond Formation.”
Evan Smith, a research scientist at GIA, will discuss “The Formation of Natural Type IIa & IIb Diamonds.”
Daniel Twitchen, sales director for CVD synthetic diamonds at Element Six, will address “Synthetic CVD Diamonds.”
There also will be various presentations on gemological research focusing on seven themes: colored stones and pearls; diamond geology; diamond identification; gem characterization; general gemology and jewelry; gem localities and gem formation; and new technologies and techniques.
These themes also will be addressed in a poster session featuring more than 60 participants presenting research abstracts on topics such as “The Use of Endangered Species in Jewelry” and “The Impact of Fluorescence on Diamond Marketability.” Attendees of the symposium will be able to interact with the poster presenters during the sessions.
In addition during symposium, professors from the Harvard Business School will lead a session on business concepts and innovations using the case study method employed in all HBS programs.
The GIA event will close with “Futurescape Forum,” a panel featuring industry leaders who will discuss their predictions on the future of the gem and jewelry industry.
The Latest

The “Limitless Expansion of Joy and Hope” collection evokes summer through colored gemstones and motifs of butterflies and florals.

The jewel, circa 1890, is from the late Victorian era and was owned by descendants of the last high king of Ireland.

With the trade and customer trust in mind, GIA® developed NextGem™ – on-demand training designed specifically for retail.

This is what the nine recipients plan to do with the funds.


The Western star’s 14-karat gold signet ring sold for six times its low estimate following a bidding war at U.K. auction house Elmwood’s.

The discussion, "Rebuilding the Jewelry Workforce," will take place on Saturday, May 16, in Troy, Michigan.

Gain access to the most exclusive and coveted antique pieces from trusted dealers during Las Vegas Jewelry Week.

The jewelry industry is reassessing its positioning as Gen Z reshapes the retail landscape and lab grown continues to gain market share.

A matching pair of 18.38-carat, D-color diamonds from Botswana’s Jwaneng mine sold for $3.3 million, the top lot of the jewelry auction.

Sponsored by A Diamond Is Forever

The next generation of lapidarists are entrepreneurial, engaged online, and see the craft as a means for artistic expression.

It was the second auction appearance for the fancy vivid blue-green diamond, which sold for $7.8 million at Christie’s Geneva 12 years ago.

Members of the U.S. Marshals Task Force took a 22-year-old man into custody. He was charged with tampering with evidence.

While the overall number of crimes was down, there were more incidences in which robbers pulled out guns, mace, or rammed cars into stores.

Jack Sutton Fine Jewelry is closing its store inside the downtown shopping center after 40 years in business.

Reena Ahluwalia’s painting of the rare red diamond is the first contemporary painting to join the National Gem Collection.

The price of gold has risen, affecting the number of pieces designers make, the materials they use, and how they position themselves.

Peter Smith gives tips on leading meetings, developing marketing, and making trade show appointments in the age of short attention spans.

The 11-piece “Medallions” capsule collection features five motifs: a crying eye, a heart on fire, a spiral, a flower, and a swallow.

From Gen Z’s view of luxury to “doom spending,” these are the six consumer trends to note this year.

The partners have announced the second cycle of the program, which has expanded to include a $25,000 student scholarship.

The owners of Staats Jewelers are heading into retirement.

Jeffrey Gennette, who retired in 2024 after 41 years with Macy’s, is the newest member of the jewelry retailer’s board of directors.

May babies are lucky to have emeralds, a gemstone admired for centuries, as their birthstone, writes Amanda Gizzi.

The new module allows retailers to plan, promote, and measure the success of events from a single dashboard.

NDC said in an open letter that Pandora’s statements about the carbon footprint of lab grown versus natural diamonds are inaccurate.

























