Editors

Sustainability Stories: Mine to Market with Moyo Gemstones

EditorsApr 29, 2019

Sustainability Stories: Mine to Market with Moyo Gemstones

The first in a new series from Senior Editor Brecken Branstrator highlights a program bringing tracked gems from women miners in Tanzania to market and improving mining along the way.

20190429_Moyo-5.jpg
A new pilot program launched by Pact, a non-governmental organization, and gemstone trading partners brings tracked and traced gems from women miners in Tanzania to market.
The challenges associated with creating a supply chain that’s transparent, traceable and ethical are myriad.

Responsible sourcing, its obstacles and how to tackle them are among the industry’s hottest topics today, especially in the colored gemstone sector.

While discussion on these topics is necessary, it can be easy to get caught up in conversations about what still needs to happen without stopping to appreciate the concrete work being done by individuals and industry bodies today.

To that end, I’ve decided to launch a blog series highlighting real projects and initiatives undertaken by companies big and small, not only to celebrate them but to show what’s possible.

I’m kicking it off with a look at a recently launched program called Moyo Gemstones—so named because it means positive things in several different African languages—designed to help gemstones extracted by female miners in Tanga, Tanzania, move from mine to market while improving the lives of the women along the way.

The pilot project is a collaboration between the non-governmental organization Pact, Monica Stephenson’s Anza Gems and Nineteen48, with input from the Tanzania Women Miners Association (TAWOMA) and a blockchain addition from Everledger.

Building a Foundation
Moyo Gemstones builds on work already done in the area. The Gemological Institute of America approached Pact in 2016 to partner on an education program for miners, and the pilot took place in the Tanga province. 

Cristina Villegas, director of Mines to Markets at Pact, told me in a recent interview that while the program was successful in helping these women drastically increase sales, Pact realized they were still selling on a subsistence basis and that more needed to be done to help them find equal footing in today’s gem market. 

Collaborating with the miners and other players, Pact designed the mine-to-market program now called Moyo Gemstones, empowering the women to work safer, mine better, improve financial security and create equitable markets for their gems.

A couple of the miners in Tanzania with Anza Gems’ Monica Stephenson
A couple of the miners in Tanzania with Anza Gems’ Monica Stephenson

Not only do they want to effect change in the gemstone supply chain and the way gems benefit the communities from which they come, but also offer storytelling around them. 

“Consumers, regardless of commodity, are looking for different ways to interact and to make an impact through their purchasing power,” said Rebecca Villalobos, a member of Pact’s Innovation team. 

Based on direct feedback from the miners, Moyo Gemstones decided to hold “market days” in which all the women travel to a central location to sell their goods, providing a regular, controlled system for Moyo miners to do business with vetted local brokers and traders.

Each woman who wants to participate must be verified as a legal miner, among other considerations.

Moyo Gemstones will use the pilot phase to figure out how often the market days should happen. The first one is scheduled for May.

(A side note: The Tanzanian government has yet to officially lift the ban on rough gemstone exports instituted last year but has started to implement a few changes. Regardless, Villegas said the government has been supportive of the program and, because of Pact’s long history in the country, allows Pact to export despite the ban.)

Building the Communities
The Moyo Gemstones initiative is intriguing not only because it’s helping bring gems from vetted local miners to market, but also because it’s working to improve mining directly.

They are partnering with Tanzanian engineering services firm MTL Consulting to improve health and safety, working conditions, and basic geological and engineering support for enrolled miners. The firm has experience working with the Fairtrade Foundation’s ASM gold miners in East Africa.

Pact is also working with the Alliance for Responsible Mining to adapt the Code of Risk-Mitigation for ASM engaging in Formal Trade (CRAFT)—a global “entry” standard for due diligence in artisanal and small-scale mining—to colored gemstones.

“If we want to include as many (miners) as we can and change their lives, we have to meet them where they are but also set expectations and incentives,” Villegas said.

They will work with MTL Consulting to get the Moyo miners to CRAFT level over time.

In the meantime, as CRAFT for Gemstones develops, they will track progress against local laws, to which CRAFT is closely aligned, and aim to reinvest back into the community through staffed health clinics and teacher housing, which the women miners indicated are top priorities.

Adding Traceability
There’s another interesting aspect to the project.

Pact has been working with Everledger, the same tech company that developed Gubelin’s Provenance Proof blockchain, to develop a blockchain suitable for these artisanal miners.

Stones will first be recorded on the blockchain at market days. (There’s information on the reasoning behind that on the Moyo Gemstones website.)

When asked if this project presented any unique challenges, given the ASM aspect, compared with others they had worked on in colored stones, Carrie George, Everledger’s vice president, head of sustainability solutions, said when the company developed Provenance Proof with Gübelin, they already had taken ASM miners into account.

“One key factor that we needed to ensure was the ease of use and simplification of the process.”

Pact, Anza Gems and Nineteen48 worked directly with the women miners to put together a program that is feasible.
Pact, Anza Gems and Nineteen48 worked directly with the women miners to put together a program that is feasible.

She said teaming with the right partner, Pact, has been crucial in this project since they have so much experience on the ground with ASM miners. She added that education and training are important, which Pact has enabled through on-the-ground support and training.

“Everledger has evaluated the most effective and low-cost solutions for miners to provide chain-of-custody information. This combination is essential for downstream retailers to be able to confidently source ASM gems and, therefore, support their livelihoods.”

Pact and Everledger also had to keep the miners’ security in mind, meaning they had to balance providing enough information to allow for transparency and rich storytelling with privacy considerations.

“Part of the challenge here is recognizing that women miners are some of the most vulnerable people in the world,” Villegas said. “There’s usually some kind of shock event that happens to push them into mining. Not always, but often.”

Information visible on the blockchain will show the physical movement of the gemstones as well as who has handled them. There will also be basic information on the traders, exporters, brokers, mining regions and TAWOMA.

Individual miners’ stories and the program’s tracked metrics will not be on the blockchain, however, for both privacy and safety reasons.

Rather, Pact will aggregate the data and share information on MoyoGems.com to allow consumers, designers and retailers to learn more about how the miners are doing and how the program is developing.

Pact will test a few stones on the blockchain at the first market day in May and then improve as they confirm the format and get used to the technology, Villegas said, slowly incorporating blockchain as a complement to the chain of custody being constructed.

Headed to Market
To provide a point of sale for the loose stones the women mine—ruby, sapphire, tourmaline and garnet—Pact partnered with gem trading companies Anza Gems and Nineteen48. The two will work with existing traders in the country to buy gems from the participating miners and make them available to the global market.

“From the moment I heard about the GIA/Pact initiative, I could see the potential for a sustainable economic model,” Stephenson, of Anza Gems, said. “This could be a way out of poverty for these women and their children, through a natural resource they can harness. We can help bridge the gap of knowledge to help them mine better, safer and more productively, and give them a fair market value for their gems. And we can help them tell their stories and bring their beautiful gems to light.”

The first market day to connect the women miners of Tanga, Tanzania, with local traders is scheduled to take place in May.
The first market day to connect the women miners of Tanga, Tanzania, with local traders is scheduled to take place in May.

She added that as they worked on the program, local brokers and traders, as well as others in the Tanga community, rallied around it.

“When you elevate women, you are helping the entire community and region.”

Stephenson said faceted gems should be available by early to mid-summer for designers or retailers interested in buying and setting them in jewelry.

Ultimately, Pact is hoping that in building a program in direct collaboration with the miners and using participants and industry members already in place, rather than reinventing the wheel, Moyo will become a scalable project that could be replicated at other artisanal mining sites.

For now, I’m excited to see how this pilot program progresses.

To read more about it or learn how to purchase the miners’ gems, visit MoyoGems.com.
Brecken Branstratoris the senior editor, gemstones at National Jeweler, covering sourcing, pricing and other developments in the colored stone sector.

The Latest

Pope Francis
Policies & IssuesMay 14, 2025
Here’s What Happened to Pope Francis’ Ring

Before Pope Leo XIV was elected, a centuries-old procedure regarding the late pontiff’s ring was followed.

1998 Cosmograph Daytona, Ref.16516 Rolex
AuctionsMay 14, 2025
Custom Rolex Pulled From Sotheby’s Sale

The one-of-a-kind platinum Rolex Cosmograph Daytona was estimated to fetch up to $1.7 million.

Jeweler Constance Polamalu at Bloomstone, a store that specializes in lab-grown diamonds
Lab-GrownMay 14, 2025
State of Diamonds: What’s Next for Lab-Grown Diamonds?

While the product has entrenched itself in the market, retailers and consultants are assessing the next phase of the category’s development.

antique_Vegas_2024_by_headshot_stories_9454.jpg
Brought to you by
Las Vegas Antique Jewelry & Watch Show: Showcasing the Most Collectible Merchandise from Across the Globe

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

Surveillance footage Tiffany & Co. Seattle robbery
CrimeMay 14, 2025
Seattle Detectives Seek Public’s Help in Tiffany & Co. Robberies

The police are trying to identify the man suspected of robbing two Tiffany & Co. locations in the area.

Weekly QuizMay 08, 2025
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Jeff Corey, new chairperson of the board for the Jewelers Board of Trade
MajorsMay 14, 2025
Jeff Corey Elected Chair of JBT Board

The well-known Maine jeweler takes over for Brian Fleming and will serve a one-year term.

Foundrae Ingot Pendant
Policies & IssuesMay 14, 2025
Foundrae Donates $11K to Ethical Metalsmiths

The donation was the result of the brand’s annual Earth Day Ingot event.

Supplier Spotlight -Recorded-Webinar.png
Brought to you by
Watch: The Winston Red: GIA Examines the Smithsonian’s Newest Addition

Supplier Spotlight Sponsored by GIA

Eiseman Jewels ribbon cutting ceremony
IndependentsMay 13, 2025
Eiseman Jewels’ Renovated Dallas Store Is Bigger and Better

Located in NorthPark Center, the revamped store is nearly 2,000 square feet larger and includes the first Tudor boutique in Dallas.

Diamond Council of America
MajorsMay 13, 2025
DCA Announces New Learning Platform, Course Updates

The nonprofit has made updates to the content in its beginner and advanced jewelry sales courses.

Malyia McNaughton and Elyssa Jenkins-Pérez
MajorsMay 13, 2025
BIJC Launches New Education Fund

BIJC President Malyia McNaughton will shift roles to lead the new foundation, and Elyssa Jenkins-Pérez will succeed her as president.

Harwell Godfrey Snake Giza Ring, Foundrae Mind, Body Soul Story Necklace, Tiffany & Co. Tiffany Titan By Pharrell Williams Bracelet
TrendsMay 13, 2025
State of Jewelry Design: The Top 10 Jewelry Trends of the Past Decade

As a nod to the theme of JCK Las Vegas 2025, “Decades,” National Jeweler took a look back at the top 10 jewelry trends of the past 10 years.

Lightbox’s Reminiscence Poet earrings in 14-karat white gold with lab-grown diamonds
Lab-GrownMay 12, 2025
Lightbox to Go Dark by Summer, De Beers Says

The company plans to halt all consumer-facing activity this summer, while Lightbox factory operations will cease by the end of the year.

Stock image of shipping containers
Policies & IssuesMay 12, 2025
Tariffs on Chinese Imports Temporarily Slashed as U.S.-China Reach Deal

Following weekend negotiations, the tax on Chinese goods imported into the United States will drop by 115 percent for the next 90 days.

Artists’ Jewelry: From Cubism to Pop, the Diane Venet Collection
Events & AwardsMay 12, 2025
Jewelry By Picasso, Dalí on Display at Florida Art Museum

“Artists’ Jewelry: From Cubism to Pop, the Diane Venet Collection” is on view at the Norton Museum of Art through October.

2025 CASE Award Submission Graphic
Events & AwardsMay 12, 2025
CASE Awards Now Accepting Entries For 2025

The deadline to submit is June 16.

Lugano Diamonds store in Greenwich, Connecticut
IndependentsMay 09, 2025
Lugano Diamonds CEO Resigns Amid Internal Investigation

Moti Ferder stepped down Wednesday and will not receive any severance pay, parent company Compass Diversified said.

Coeur Percé Scapular Necklace and Love Baby Locket
CollectionsMay 09, 2025
Pieces of the Week: Marie Lichtenberg’s Collaborations for Mother’s Day

Lichtenberg partnered with luxury platform Mytheresa on two designs honoring the connection between mothers and daughters.

Gemfields emeralds
SourcingMay 09, 2025
Gemfields Resumes Emerald Mining in Zambia

The miner announced plans to recommence open-pit mining at Kagem.

Stock image of a man’s hands in handcuffs
CrimeMay 08, 2025
Former NYC Jewelry Store Employee Arrested in 2017 Choking Death of Boss

Michel Desalles allegedly murdered Omid Gholian inside World of Gold N Diamond using zip ties and then fled the country.

instappraise-1.png
Supplier BulletinMay 08, 2025
Instappraise Introduces Game-Changing Trifold Appraisal Format

Sponsored by Instappraise

Brilliant Earth three stone Sabine diamond engagement ring
FinancialsMay 08, 2025
Brilliant Earth Notes an Uptick in Engagement Ring Sales in Q1

CEO Beth Gerstein discussed the company’s bridal bestsellers, the potential impact of tariffs, and the rising price of gold.

Exterior of Margot McKinney Beverly Hills Location
IndependentsMay 08, 2025
Margot McKinney Lands in the U.S. With New Boutique

The brand’s first independent location outside of Australia has opened in Beverly Hills, California.

Cathy Marsh
IndependentsMay 08, 2025
Verragio Announces New Regional Sales Manager

Cathy Marsh will lead the jewelry company’s efforts in the upper Midwest and western United States.

Pandora gold and silver charm bracelet
FinancialsMay 07, 2025
Pandora Posts Strong Q1, Plans for Tariffs

The company has multiple strategies for dealing with tariffs, though its CEO said moving manufacturing to the U.S. is not one of them.

Headshot of Smart Age Solutions CEO Emmanuel Raheb
ColumnistsMay 07, 2025
The Smart Lab: Building a Seasonal Marketing Strategy for Mother’s Day and Beyond

Connecting with your customers throughout the year is key to a successful holiday marketing push.

Gemfields rough emeralds
SourcingMay 07, 2025
Gemfields Says Emerald Sales Improved in Latest Auction

Its commercial-quality emerald sale held last month totaled more than $16 million, up from about $11 million in September 2024.

×

This site uses cookies to give you the best online experience. By continuing to use & browse this site, we assume you agree to our Privacy Policy