Independents

After a Lifetime in Jewelry, Cos Altobelli Retires

IndependentsFeb 10, 2021

After a Lifetime in Jewelry, Cos Altobelli Retires

Spurred by COVID-19, the jewelry-maker, expert appraiser and author closed his Burbank, California store last year.

20210210_Cos_at_AGS_library.jpg
In 2011, the American Gem Society named its library in honor of Cos Altobelli for the years of service he dedicated to the organization. It is located at AGS headquarters in Las Vegas.
Los Angeles—Cos Altobelli, the legendary jeweler and appraiser, had a retirement plan. 

He would keep working for a couple more years then, at the spry young age of 93, call it quits and ease into a life of golf and travel. 

But, like so many others, the pandemic derailed his long-laid plans. 

He opted to close his Burbank, California jewelry store in July 2020 and head into an early—by his standards only—retirement out of concern for his health and safety. 

“It’s a peculiar virus,” he remarked in a phone interview with National Jeweler last month. “You just don’t know.”

His retirement comes after a career of jewelry design, making, repairing, appraising and consulting that spanned decades, and generations. 

Altobelli grew up in Chicago, the son of a master jewelry craftsman, Luigi Altobelli, who had learned the trade from his father, Cosimo Altobelli, in Italy. 

He was repairing clocks by age 9, watches by 13 and making gold and platinum jewelry by the time he was 17. 

Despite the family tradition, and the early practice, jewelry was not Altobelli’s first choice of career. 

He wanted to be a baseball player and, in fact, used to lie to his parents about his participation in America’s pastime.

Altobelli said he used to tell his parents he needed to stay after school to do homework when he was actually playing baseball in a Chicago city league. 

He was so good at the sport, in fact, that Altobelli said he was offered a contract with the Cincinnati Reds Double-A team but ultimately had to decline. 

His father had purchased land in Los Angeles and, he informed the family, they were moving west to open a jewelry store. 

Altobelli Jewelers opened its doors in North Hollywood in 1948.

It was in California that Altobelli began to carve out his own path in jewelry, learning more about gemstones and, later, jewelry appraisals. 

“It was very difficult living with my father because he was a genius,” he said. “I had a long way to go before I could be near his level of talent.”

He earned his graduate gemologist diploma from the Gemological Institute of America in 1949. 

He took over the family business in 1963 and, in 1969, attended his first AGS Conclave. 

It was there, he said, that he became interested in appraising, a skill that would become a lifelong passion and lead to endeavors well beyond those of your typical jewelry store owner.
Over time, Altobelli created the AGS’s Certified Gemologist Appraiser (CGA) program, which includes a practical exam, where people examine pieces of jewelry, as well as a theory exam. He became a CGA himself in 1983. 

According to AGS, it was the first formal appraisal education program in the United States. 

“There was nothing like it before,” pointed out longtime friend and fellow AGS jeweler and CGA Cathy Calhoun. “Everything he has done for AGS and its members, and me as a young gemologist, he did all this for free. He never charged. 

“I wouldn’t have even got any further in appraising if it weren’t for Cos mentoring me. I could pick up the phone at any time, with any jewelry or appraising question, and he’s on it. Day or night, you get your response.”


Altobelli pinning Bill Boyajian at AGS Conclave in 2013 when Boyajian won the Shipley Award. Altobelli said he attended 50 consecutive Conclaves, from 1969 until the last one in 2019. (There was no Conclave in 2020 due to the pandemic.)
Altobelli pinning Bill Boyajian at AGS Conclave in 2013 when Boyajian won the Shipley Award. Altobelli said he attended 50 consecutive Conclaves, from 1969 until the last one in 2019. (There was no Conclave in 2020 due to the pandemic.)

Altobelli’s appraising talents have also landed him on the speed dials—or, in this day and age, the Favorites lists—of numerous attorneys as well as the IRS.

He’s done expert witness work for the IRS, appraising donations to determine if the value has been overinflated.

Law firms have retained him to testify in court cases involving diamonds, colored gemstones and jewelry more than 100 times, he said.

The most high-profile among them: the case of Drew Brees and the colored diamonds for which the New Orleans Saints quarterback claimed he overpaid.

Brees’ attorney retained Altobelli in the case and they won, securing a $6 million judgement for the future Hall of Famer.

He also wrote the book on jewelry appraising, literally.

First published in 1981, the fourth edition of “The Practical Guide to Jewelry Appraising” just came out and is available on Amazon and through AGS.

Altobelli’s appraisal work, including his contributions to AGS, are so numerous that it’s easy to forget he also ran a jewelry store in Hollywood for decades—he counted the late Bob Hope and Clint Eastwood among his clientele—and did property work for more than 100 movies and TV shows.

For the iconic 1993 hit film “Sleepless in Seattle,” he made the little diamond necklace Meg Ryan’s character, Annie, wears throughout the movie.

For “Hook,” Steven Spielberg’s 1991 movie starring the late Robin Williams, Dustin Hoffman and Julia Roberts, Altobelli created the earrings for the pirates, the buttons for their uniforms, the engraved gauntlet Captain Hook (Hoffman) wore and more.  And he ran all over Southern California securing the pocket watches and clocks that haunted Hook.

Altobelli moved his jewelry store from North Hollywood to Burbank in 2008, and was still going into the office regularly as of last year, at the age of 90, until the pandemic hit.

“We would have let him work at least another year had COVID not occurred,” his wife, Kelly Altobelli, said. (When asked if he would still be working if Kelly hadn’t made him retire, Cos’s answer was a definitive, “yes.”)

The same can be said of his career as a skier, a hobby he gave up when he hit 90.

“I wanted to ski last year but she wouldn’t let me,” he laughed.

Altobelli with, clockwise from bottom, wife Kelly Altobelli, jeweler Georgie Gleim and jeweler Cathy Calhoun at the Laguna Seca Raceway. In addition to making jewelry, appraising jewelry and skiing, Altobelli also raced a Ferrari for seven years. He won at Laguna Seca in 1981, and retired then and there from racing.
Altobelli with, clockwise from bottom, wife Kelly Altobelli, jeweler Georgie Gleim and jeweler Cathy Calhoun at the Laguna Seca Raceway. In addition to making jewelry, appraising jewelry and skiing, Altobelli also raced a Ferrari for seven years. He won at Laguna Seca in 1981, and retired then and there from racing.

In January, Cos and Kelly relocated permanently, from L.A. to Las Vegas, where Cos said he’ll be working on his golf game and, with Kelly’s help, marketing his book.

As far as being a jeweler and appraiser, though, Cos said he is officially retired. 

He and Kelly have plans to buy a bigger SUV and embark on road trips to places like the Crater of Diamonds State Park in Arkansas and, of course, stop at some AGS stores along the way, where he’ll no doubt be a welcome, and familiar, face. 

In addition to being instrumental in creating the AGS’s CGA program in 1983, Cos has chaired the Appraisals Standards subcommittee since 1983 and continued to teach the program at Conclave through 2019. 

He also has been a frequent speaker at Guild meetings and a contributor to the recertification exam, as well as numerous other AGS publications. 

Cos received the organization’s highest honor, the Robert M. Shipley Award, in 1987, and the organization’s library at its Las Vegas headquarters bears his name. 

AGS and AGS Labs CEO Katherine Bodoh said the organization cannot thank the now-retired jeweler enough for his many contributions over the years. 

“Members of the AGS community use words like ‘legend’ and ‘icon’ to describe Cos,” she said. “The praise is well-deserved.”

Michelle Graffis the editor-in-chief at National Jeweler, directing the publication’s coverage both online and in print.

The Latest

Uniform Object Carbon Form Collection Campaign Imagery
CollectionsApr 13, 2026
Uniform Object’s New Jewelry Collection Centers on the ‘Carbon Form’

The “Carbon Form” collection explores the contrast between high and low materials, using rubber cord alongside 18-karat gold and gemstones.

Jewelers of America
Events & AwardsApr 13, 2026
JA Accepting 2026 Impact Initiative Applications

The program provides essential funding to organizations for projects that enhance the jewelry industry.

Coconut Grove Miami
Events & AwardsApr 13, 2026
Couture Announces New Show in Miami

The jewelry trade show is launching its first open-to-the-public event in Coconut Grove this November.

lvajws image 1.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.

Police car with lights on
CrimeApr 13, 2026
JSA Offers Reward in Oregon Jewelry Store Armed Robbery

JSA is seeking information about the gunpoint robbery of a Kay Jewelers location in Oregon’s Washington Square Mall.

Weekly QuizApr 09, 2026
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Watches on a table next to a coffee cup
WatchesApr 10, 2026
These Watches Have Increased in Value the Most Since 2018, Says Chrono24

The top-performing watch models may be surprising, with Rolex and several popular pandemic-era picks notably absent from the top 20.

Ophelia Eve Scroll Toggle Pendant
CollectionsApr 10, 2026
Ophelia Eve’s Toggle Pendant Holds Your Secrets

The “Scroll” toggle pendant, our Piece of the Week, opens to reveal a hidden message, mantra, or love letter written on washi paper.

GIA iD100®
Brought to you by
Protect Your Customers and Your Business

You deserve to know what you are selling–to protect your customers as well as your business and your reputation.

National Jeweler columnist Sherry Smith, partner at The Retail Smiths
ColumnistsApr 09, 2026
Jewelry Demand Isn’t Stronger, Prices Are Just Higher

Jewelers who misinterpret the state of the jewelry market risk employing the wrong retail strategy, cautions columnist Sherry Smith.

Tiffany & Co. Nathalie Verdeille
MajorsApr 09, 2026
Tiffany & Co. Promotes Nathalie Verdeille to SVP, Chief Artistic Officer

In her newly expanded role, she will continue to oversee the jewelry category, as well as watches, home, and accessories.

Jacob & Co. The Godfather II Musical Watch
WatchesApr 09, 2026
Jacob & Co. Rolls Out Its Sequel to ‘The Godfather’ Musical Watch

“The Godfather II” watch plays two melodies from the mob film’s score, “The Godfather’s Waltz” and “The Godfather Love Theme.”

Jesse Itzler
Events & AwardsApr 09, 2026
JCK Announces Jesse Itzler as 2026 Keynote Speaker

Organizers have also introduced the new JCK Talks Signature Series, as well as an offering of watch-focused workshops and lectures.

Alan Hodgkinson
SourcingApr 09, 2026
AGA To Honor ‘Quiet Leadership’ With New Award

The Alan Hodgkinson Medal recognizes gemologists who are consistently generous with their time and expertise.

Oris CEO Rolf Studer and Oris CFO Claudine Gertiser
WatchesApr 09, 2026
Oris Names New CEO, CFO

The Swiss watchmaker is changing up its executive leadership team as part of a restructuring.

Hearts On Fire What’s Your Signature Campaign Imagery
CollectionsApr 08, 2026
Hearts On Fire Celebrates 30 Years By Asking a Question

The “What’s Your Signature?” campaign invites women to think about how they see themselves.

41.82-carat Type IIb blue diamond recovered from Cullinan in January 2026
SourcingApr 08, 2026
Sale of 42-Carat Blue Diamond Gives Petra a Boost in Q3

The big diamond’s sale added to the company’s revenue though the market remains “challenging” overall, particularly for smaller goods.

American Gem Society Confluence Logo
Events & AwardsApr 08, 2026
AGS Confluence Returns with AI, Sustainability Sessions

Rob Bates of The Jewelry Wire will also moderate a panel on the state of the jewelry industry during the virtual event.

Dennis Buzz Busby and Randy Welch
Events & AwardsApr 08, 2026
TJS to Honor 2 Longtime Former Stuller Employees

The Jewelry Symposium will honor two industry veterans with lifetime achievement awards at its upcoming May event.

Isabel Delgado A necklace
TrendsApr 08, 2026
Amanda’s Style File: April’s Brilliant Birthstone

With their durability, brilliance, and beauty, diamonds are the perfect stone for everyday birthstone jewelry.

QVC Group logo
MajorsApr 07, 2026
QVC Group’s Latest Filing Calls Its Future Into Question

The retailer failed to file its annual report on time and said it may issue a going concern warning.

Headshot of National Jeweler columnist Peter Smith
ColumnistsApr 07, 2026
Peter Smith: A Tip to the Post Office on Workplace Culture

Smith recounts a recent trip to the post office that included an uncomfortable, embarrassing, and public exchange between two employees.

Retiring GIA CFO David Tearle and new GIA CFO John Cowley
GradingApr 07, 2026
GIA CFO David Tearle to Retire in June

John Cowley, who has more than 30 years of experience, is succeeding Tearle as the lab’s chief financial officer.

Gemology Geek Ignite collection tourmaline ring
CollectionsApr 07, 2026
Nerd Out Over Gemology Geek’s First Jewelry Collection

Founder Erica Silverglide has designed 35 colorful pieces set with fluorescing gemstones for the brand's first finished jewelry offering.

Ukrainian Jewelry | Contemporary Jewelry and Art Jewelry from Ukraine
CollectionsApr 07, 2026
Ukrainian Jewelers Highlighted In New Book

“Ukrainian Jewelry | Contemporary Jewelry and Art Jewelry from Ukraine” features 33 contemporary Ukrainian designers and studios.

Fope Golden Now Campaign Imagery
CollectionsApr 06, 2026
Fope’s New Jewelry Debuts Are Golden

“The Golden Now” campaign celebrates the here and now with the brand’s signature styles and a selection of its new pieces.

Former Signet executive Kecia Caffie
MajorsApr 06, 2026
Kecia Caffie, Corinne Bentzen No Longer With Signet Jewelers

Signet confirmed that Caffie, president of Zales and Banter, and Bentzen, who headed Blue Nile, have left the company.

Author Tanzy Ward and her book Precious Black Jewels The Bijou Material Culture of Black Victorians & Edwardians
CollectionsApr 06, 2026
Historian Tanzy Ward Pens Book on Black Victorians’ Jewelry

The antique jewelry dealer talks about the importance of including Black Americans in jewelry history and preserving their stories.

×

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