The man was charged with theft, accused of ingesting the necklace while in a jewelry store in Auckland, New Zealand.
GIA Creates Gem Guide for Artisanal Miners
The Gemological Institute of America has partnered with an NGO to train about 45 miners in the Tanga region of Tanzania using the guide.

Carlsbad, Calif.--The Gemological Institute of America has developed a gem guide for small-scale miners and partnered with non-governmental organization Pact on a pilot program training women miners in Tanzania using the guide.
A team of GIA gemology, market, education and design staff chose the content and form of “Selecting Gem Rough: A Guide for Artisanal Miners,” and consulted colored gemstone experts who have extensive experience buying gems in rural areas as well.
The guide was developed to offer basic gemological and market knowledge for artisanal miners in gem-producing regions, and was written in both English and Tanzanian Swahili. It includes almost every gem species mined in East Africa with illustrations of rough and polished gems and graphical instructions on how to prepare and examine rough under a number of lighting conditions.
“This project is at the very core of GIA’s mission,” President and CEO Susan Jacques said. “We are moving practical gemstone education as far up the supply chain as possible, to people who can benefit tremendously from greater understanding of the beautiful gems they bring to market.”
The area was chosen because of its diversity of gemstones and because the leadership of TAWOMA expressed interest in the guide, the GIA said.
The $120,000 cost of the pilot program came from the GIA’s endowment fund.
The institute provided the booklet and training at no cost, and the GIA said it will stay free of charge as it expands training to other small-scale rural miners in East Africa later this year.
The GIA said it and Pact will evaluate the program as it progresses to determine a time frame for the pilot.
“There is often a knowledge differential between artisanal miners and those further along the supply chain,” said Cristina Villegas, technical program manager for Pact’s Mines to Markets program. “This new GIA resource will help miners in rural areas better understand the quality and value of their products, which will help reduce that differential and improve their economic development opportunities.”
The Latest

The Florida independent expanded its store from 8,000 to 14,000 square feet, fulfilling the vision of its late co-founder, Jim Dunn.

Sponsored by De Beers Group

How Jewelers of America’s 20 Under 40 are leading to ensure a brighter future for the jewelry industry.

The classic 5600 series G-Shock has been scaled down to about a tenth of its size, becoming a fully functioning watch ring.


The association’s annual conference and gala will take place Feb. 4, 2026, during the Tucson gem shows.

The January show will include a workshop for jewelry retailers on implementing AI to strengthen their businesses.

Roseco’s 704-page catalog showcases new lab-grown diamonds, findings, tools & more—available in print or interactive digital editions.

Fellow musician Maxx Morando proposed to the star with a chunky, cushion-cut diamond ring designed by Jacquie Aiche.

The retailer, which sells billions in fine jewelry and watches, is suing the Trump administration and U.S. Customs and Border Patrol.

Black Friday is still the most popular shopping day over the five-day holiday weekend, as per the National Retail Federation’s survey.

The historic egg, crafted for Russia's ruling family prior to the revolution, was the star of Christie’s recent auction of works by Fabergé.

The retailer offered more fashion jewelry priced under $1,000, including lab-grown diamond and men’s jewelry.

The eau de parfum is held in a fluted glass bottle that mirrors the decor of the brand’s atelier, and its cap is a nod to its “Sloan” ring.

In addition, a slate of new officers and trustees were appointed to the board.

Witt’s Jewelry in Wayne, Nebraska, is the organization’s new milestone member.

The man, who has a criminal history, is suspected of being the fourth member of the four-man crew that carried out the heist.

The single-owner collection includes one of the largest offerings of Verdura jewels ever to appear at auction, said Christie’s.

Michael Helfer has taken the reins, bringing together two historic Chicago jewelry names.

The guide features all-new platinum designs for the holiday season by brands like Harwell Godfrey, Ritani, and Suna.

During its Q3 call, CEO Efraim Grinberg discussed the deal to lower tariffs on Swiss-made watches, watch market trends, and more.

Rosior’s high jewelry cocktail ring with orange sapphires and green diamonds is the perfect Thanksgiving accessory.

The “Embrace Your True Colors” campaign features jewels with a vibrant color palette and poetry by Grammy-nominated artist Aja Monet.

Luxury veteran Alejandro Cuellar has stepped into the role at the Italian fine jewelry brand.

The company gave awards to four students at the Namibia University of Science & Technology, including one who is a Grandview Klein employee.

She is remembered as an artist who loved her craft and was devoted to her faith, her friends, and her family.

It joins the company’s other manufacturing facilities globally, including in India, Botswana, and Namibia.





















