Lab-Grown

Tom Chatham Has Written a Book About His Family

Lab-GrownApr 18, 2023

Tom Chatham Has Written a Book About His Family

It details the family’s history and legacy in the world of lab-grown gems and is set for release at the JCK show in Las Vegas.

20230418_Tom Chatham book.jpg
Tom Chatham, left, has written his first book, “The Chatham Legacy, An American Story.” It will be available to purchase at the JCK jewelry trade show in Las Vegas.
Las Vegas—Tom Chatham, president of Chatham Created Gems Inc., has written a book about his family and the role they have played in the world of lab-created gemstones.

“The Chatham Legacy, An American Story,” is set to be released at the upcoming JCK show in Las Vegas.

The 219-page book is described as, “a look inside the true story behind the original lab-grown company,” that is a “must-read for everyone in the industry who wants to a gain a real understanding of how this category came to be.”

After experimenting with gemstone growing in the garage of his parents’ San Francisco home, chemistry-loving Carroll Chatham—Tom’s father—started Chatham Created Gems in 1938 after figuring out how to reliably produce emeralds.

“The Chatham Legacy” details these early days of experimentation, as well as the company’s battle with the Federal Trade Commission over the term “created,” a fight it ultimately won in 1963. 

“Many thousands of dollars were spent to change this one little word, from ‘cultured’ to ‘created,’” Tom writes in the book. “Everyone felt relieved and positive for the future. Chatham-Created Emerald was born.”

The industry’s back-and-forth with the FTC over terminology for man-made stones continues today, from the recent revisions to the Jewelry Guides regarding terminology around lab-grown diamonds to the FTC’s current review of the “Green Guides,” which still are open for public comment

 Related stories will be right here … 

The book also details the company’s journey to educate and try to win acceptance from the trade.

“Just to give you an idea how prehistoric the gemological world was back then, I have personal correspondences from 1947 from Richard T. Liddicoat, then president of the Gemological Institute of America (GIA), which was training jewelers to become professional gemologists, asking Carroll for any suggestions he may have on separating his emeralds from natural,” Tom states in the book. 

According to the book, one of Liddicoat’s letters reads, “Since your product is so beautifully made and compares so favorably to fine natural material, we doubt that it would be possible to teach a method of identification by recognition of the differences between inclusion in your product and in natural emerald.”

After emeralds, Carroll expanded to growing rubies in 1958, alexandrite in 1972, and different varieties of sapphire beginning in 1975, among other gems. 

When Tom joined the family business in 1965, he focused on creating business opportunities for the gemstones his father was growing. He writes in the book, “The courts may have given Chatham-Created Emerald its blessing, but certain sectors of the jewelry industry did not—and some never would.”

Tom will be in Las Vegas during the JCK show signing copies of his book. His company exhibits in the Plumb Club Pavilion, PC-700.

It is available in hardcover only and costs $90. In addition to Chatham, both GIA and Vancouver, British Columbia-based Branko Gem Labs will be selling copies of the book.

To pre-order or reserve a copy, call 800-222-2002 or email sales@chatham.com.

The Latest

Single Stone Bryn Ring and Grace Lee Marquise Demi Demi Ring
TrendsJun 20, 2025
Dua Lipa Stays On-Trend With Chunky Engagement Ring

The singer’s ring ticks off many bridal trends, with a thick band, half-bezel setting, and solitaire diamond.

Yvonne Léon Python Gold Bracelet
TrendsJun 20, 2025
Piece of the Week: Yvonne Léon’s ‘Python Gold’ Bracelet

The bracelet references vintage high jewelry and snake symbolism as a playful piece where a python’s head becomes a working belt buckle.

Stock image of handcuffs
CrimeJun 18, 2025
7 Men Indicted in $100M Brinks Jewelry Heist

The heist happened in Lebec, California, in 2022 when a Brinks truck was transporting goods from one show in California to another.

an instructor and a student in a bench jewelry classroom
Brought to you by
Investing in the Next Generation of Bench Jewelers

The Seymour & Evelyn Holtzman Bench Scholarship from Jewelers of America returns for a second year.

Marie-Thérèse Pink diamond and Blue Belle sapphire necklace
AuctionsJun 18, 2025
Historic ‘Marie-Thérèse Pink’ Diamond Fetches $14M at Christie’s

The 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 Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Caryl Capeci Starboard Cruises
EditorsJun 18, 2025
Q&A: Caryl Capeci Dives Into Cruise Jewelry Shopping

The Starboard Cruises SVP discusses who is shopping for jewelry on ships, how much they’re spending, and why brands should get on board.

Gresham grasshopper ring
AuctionsJun 18, 2025
16th-Century ‘Gresham Grasshopper’ Ring Sells for $56K

The historic signet ring exceeded its estimate at Noonans Mayfair’s jewelry auction this week.

Jewelers of America logo with meetup, State of the Majors, giveaway and massages
Brought to you by
Jewelers of America is Headed to Las Vegas for JCK 2025

The countdown is on for the JCK Las Vegas Show and JA is pulling out all the stops.

Kirk Kara fine jewelry
CollectionsJun 18, 2025
Kirk Kara Celebrates 135 Years With New Jewels

To mark the milestone, the brand is introducing new non-bridal fine jewelry designs for the first time in two decades.

Gemfields 36 Carat Ruby
SourcingJun 18, 2025
Gemfields Sells 36-Carat Rough Ruby

The gemstone is the third most valuable ruby to come out of the Montepuez mine, Gemfields said.

Alex Brown
TechnologyJun 18, 2025
Alex Brown Named President of Smithee Group

Founder and longtime CEO Ben Smithee will stay with the agency, transitioning into the role of founding partner and strategic advisor.

Jade Ruzzo Gloria Collar
EditorsJun 17, 2025
The Best New Jewelry from Couture 2025, Part 1

Associate Editor Natalie Francisco shares 20 of her favorite pieces from the jewelry collections that debuted at Couture.

Jewelry industry author, speaker, and sales expert Peter Smith
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.

Selection of jewelry from Sotheby’s New York High Jewelry sale
AuctionsJun 17, 2025
Colored Gemstones, Signed Jewels Shine in Sotheby’s High Jewelry Sale

The top lot was a colorless Graff diamond, followed by a Burmese ruby necklace by Marcus & Co.

Amanda Gizzi, Jewelers of America’s SVP of corporate affairs
MajorsJun 17, 2025
Amanda Gizzi Gets a Promotion at JA

Gizzi, who has been in the industry since 2001, is now Jewelers of America’s senior vice president of corporate affairs.

Kering CEO Luca de Meo
MajorsJun 17, 2025
Kering Names Automotive Exec as Its New CEO

Luca de Meo, a 30-year veteran of the auto industry, will succeed longtime CEO François-Henri Pinault.

Botswana Minster of Minerals and Energy Bogolo Joy Kenewendo
EditorsJun 16, 2025
Q&A: Bogolo Joy Kenewendo on Mining, Tariffs, and the Energy of Las Vegas

Following visits to Vegas and New York, Botswana’s minerals minister sat down with Michelle Graff to discuss the state of the diamond market.

Greenwich Street Jewelers Your Love Has the Perfect Ring Campaign
IndependentsJun 16, 2025
Greenwich St. Jewelers Launches Commitment Campaign Celebrating LGBTQ+ Couples

The “Your Love Has the Perfect Ring” campaign showcases the strength of love and need for inclusivity and representation, the jeweler said.

Ivette Nersesyan-Stephanopoulos
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.

New York Liberty Nyara Sabally Catbird campaign
MajorsJun 16, 2025
Catbird Names WNBA Star Nyara Sabally as Its New Brand Ambassador

The New York Liberty forward is the first athlete to represent the Brooklyn-based jewelry brand.

Robinson Pelham Fruits of Love Pear Earrings
CollectionsJun 13, 2025
Piece of the Week: Robinson Pelham’s Pear Earrings

Take a bite out of the 14-karat yellow gold “Fruits of Love Pear” earrings featuring peridots, diamond stems, and tsavorite leaves.

Three diamonds with diagrams
Events & AwardsJun 13, 2025
AGA to Host ‘Diamonds From Mine to Market’ Education Conference

The one-day virtual event will feature speakers from De Beers, GIA, and Gemworld International.

Ella Sophie
EditorsJun 12, 2025
15 Questions With Jewelry Photographer Ella Sophie

The California-based creative talks jewelry photography in the modern era and tackles FAQs about working with a pro for the first time.

A pink gold Patek Philippe perpetual calendar chronograph Ref. 2499
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.

Gabriel Love Foundation Logo
Events & AwardsJun 12, 2025
Gabriel Love Foundation Introduces Scholarship Honoring Elias Gabriel

The foundation has also expanded its “Stronger Together” initiative with Jewelers for Children.

Celine Assimon
AuctionsJun 12, 2025
Former De Beers Exec Celine Assimon Joins Bonhams

Assimon is the auction house’s new chief commercial officer.

De Beers CEO Al Cook speaking at JCK Las Vegas 2025
EditorsJun 11, 2025
Q&A: Al Cook on Differentiating Natural Diamonds, Traceability, and Tariffs

The De Beers Group CEO discusses the company’s new “beacon” program, the likelihood diamonds will be exempt from tariffs, and “Origin.”

×

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