Grading

Smithsonian’s Jeffrey Post to Receive 2023 Bonanno Award

GradingDec 11, 2023

Smithsonian’s Jeffrey Post to Receive 2023 Bonanno Award

Post is being honored for nearly four decades of contributions he made within the Department of Mineral Sciences at the museum.

Jeffrey Post
Dr. Jeffrey Post, curator of gems and minerals, emeritus, and research associate for the Smithsonian Institution’s National Museum of Natural History, has been named the recipient of AGA’s Bonanno Award and will be honored at the organization’s annual gala in Tucson next year.
San Diego—The Accredited Gemologists Association (AGA) has announced that Dr. Jeffrey Edward Post, curator of gems and minerals, emeritus, and research associate for the Smithsonian Institution’s National Museum of Natural History, will receive the 2023 Antonio C. Bonanno Award for Excellence in Gemology.  

The Bonanno Award, established in 2000, recognizes those who have made significant contributions to the gemological field, and a majority vote of the AGA membership elects the award recipients.  

During his career at the Smithsonian, Post oversaw the national gems and minerals collection and its expansion to include, now, more than 350,000 mineral specimens and 10,000 gems, the largest of its kind worldwide. 

He also made major contributions to scientific literature, having published more than 150 scientific articles from research in the mineralogy, gemology, and geochemistry fields. 

He is the author of “The National Gem Collection” and the recently-published “The Smithsonian National Gem Collection—Unearthed: Surprising Stories Behind the Jewels.”  

“Dr. Jeffrey Post’s contributions to gemology are substantial through his published works and his support of scientific gemological researchers seeking access to data and specimens from the collection,” said AGA President Teri Brossmer.  

“We also laud Jeff’s work to raise the public’s interest in gems and minerals through speaking engagements at community groups and museums.”  

 Related stories will be right here … 

Post joined the Department of Mineral Sciences at the Smithsonian Institution’s Museum of Natural History in 1984. 

He was chairman of the Department of Mineral Sciences from 1989 to 1994 and from 2014 to 2019, and he served as curator-in-charge of the U.S. National Gem and Mineral Collection from 1991 to 2023. 

Post was also the lead curator for the Janet Annenberg Hooker Hall of Geology, Gems and Minerals, which opened in 1997. 

Any member of the gemological community who has visited the hall has witnessed “Jeffrey’s passion realized,” AGA said, noting that the vision he created is sure to introduce, mesmerize, teach, and excite people about gems for generations to come. 

“Dr. Post was instrumental in hosting numerous outstanding special exhibits at the Smithsonian, including the Dresden Green Diamond, The Allure of Pearls featuring the Hope Pearl and La Peregrina, The Splendor of Diamonds, which highlighted the Steinmetz Pink and the Moussaieff Red, and the 50th anniversary of the Hope Diamond with special guest gem the Wittelsbach-Graff Diamond,” said Gary Roskin, who received the award last year.

“This meeting of the two world’s largest deep blue diamonds gave Jeff the opportunity to facilitate the significant gemological study of the two blues. Dr. Post was also instrumental in acquiring permanent donations of gems and jewels to the Smithsonian’s collection, including the Lion of Merelani Tsavorite, the Dom Pedro Aquamarine, and so many more.”  

In May, Post was appointed curator of gems and minerals, emeritus, and research associate for the Smithsonian’s National Museum of Natural History.  


Post is a native of Wisconsin. He received his Bachelor of Science degrees in geology and chemistry from the University of Wisconsin - Platteville, and earned his doctorate in chemistry, with a specialty in geochemistry, from Arizona State University. 

Prior to joining the Smithsonian, he was a postdoctoral research fellow for three years in the Department of Geological Sciences at Harvard University

Post will be recognized at the AGA’s Gala Dinner Dance following the AGA gemological conference on Jan. 31, 2024, at the Tucson Marriott University Park Hotel. 

He will receive a personalized plaque and honorarium funded by the AGA membership. 

Tickets to attend the conference and gala celebration are available online
Lauren McLemoreis the associate editor, gemstones at National Jeweler, covering sourcing, pricing and other developments.
tags:

The Latest

John Wayne Signet Ring
AuctionsMay 15, 2026
American Collector Ponies Up Almost $17K for John Wayne’s Ring

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.

MJSA Education Foundation and Jewelers of America
Events & AwardsMay 15, 2026
JA, MJSA To Sponsor Roundtable at TJS

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

Three gold rings set with yellow- and brown-hued diamonds
SourcingMay 15, 2026
State of Diamonds: The Way Forward for Natural Diamonds

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

1872x1052-NextGem-2026-National-Jeweler-Advertorial.jpg
Brought to you by
How Modern Training Is Becoming a Competitive Advantage for Jewelry Retailers

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

Matching pair of Type IIa, D-color diamonds
AuctionsMay 14, 2026
White Diamonds Lead Sotheby’s Auction, Blue Diamond Does Not Sell

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.

Weekly QuizMay 14, 2026
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
DeBeeers_Bridal_Display_Dune_1872x1052.jpg
Supplier BulletinMay 14, 2026
A Diamond Is Forever Continues Desert Diamonds – Bridal Reinvigorated

Sponsored by A Diamond Is Forever

Faceting Apprentice gem cutting school
SourcingMay 14, 2026
State of Colored Stones: The Spirit of Young American Gemstone Cutters

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

Antique Jewelry & Watch Show
Brought to you by
Discover Timeless Treasures: A Showcase of Antique Jewelry & Timepieces in Las Vegas

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

Ocean Dream diamond
AuctionsMay 14, 2026
‘Ocean Dream’ Makes Waves at Christie’s, Fetching $17M

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.

Stock image of police cars with their lights on
CrimeMay 14, 2026
Second Man Arrested in Florida Pawn Shop Shooting

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

Stock image of crime scene with police cars and crime scene tape
CrimeMay 13, 2026
JSA’s 2025 Crime Report Shows ‘Concerning’ Rise in Violence

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 Jewelers
IndependentsMay 13, 2026
New Orleans Jeweler Closing Canal Place Store

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

Winston Red Diamond painting by Reena Ahluwalia
SourcingMay 13, 2026
Smithsonian Acquires ‘Winston Red’ Diamond Painting

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

Anna Maccieri Rossi Ora Wood Sunrise Cuff, Marie Lichtenberg High Jewelry Bandana, Anna Maccieri Rossi Carpe Diem Pendant
TrendsMay 13, 2026
State of Design: Only the Innovative Will Survive

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

The Retail Smiths founder and National Jeweler columnist Peter Smith
ColumnistsMay 12, 2026
It’s Official: We’re Getting ‘Brain Rot’ From Watching Short-Form Videos

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

Jessica McCormack Medallion Capsule Collection Campaign
CollectionsMay 12, 2026
Jessica McCormack Debuts Antique Coin-Inspired Medallions for Summer

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

People shopping in a jewelry store
IndependentsMay 12, 2026
State of Retail: 6 Things Retailers Should Know About Consumers Today

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

Tiffany & Co. x CFDA Jewelry Designer Award
Events & AwardsMay 12, 2026
The Tiffany & Co. x CFDA Jewelry Designer Award Is Back

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

Merle, Juanita, and Brent Staats of Staats Jewelers
IndependentsMay 11, 2026
Kansas Jeweler Closing After 70 Years

The owners of Staats Jewelers are heading into retirement.

Former Macy’s CEO Jeffrey Gennette
TrendsMay 11, 2026
Former Macy’s CEO Joins Signet Jewelers Board

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

Buddha Mama gold earrings hexagon emerald
TrendsMay 11, 2026
Amanda’s Style File: Lucky May

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

Clientbook Logo
TechnologyMay 11, 2026
Clientbook’s New Tool Helps Jewelers Plan In-Store Events

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

Pandora lab grown diamond necklace
Lab-GrownMay 08, 2026
NDC Publicly Criticizes Pandora Over ‘Misleading’ Natural Diamond Claims

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

Ronnie VanderLinden and Feriel Zerouki
SourcingMay 08, 2026
Ronnie VanderLinden Takes Over as WDC President

The diamantaire and industry leader succeeds Feriel Zerouki and said he will focus on being a “champion” for natural diamonds.

Glenn Spiro Old Moghul Golconda Earrings
TrendsMay 08, 2026
Rihanna Chooses ‘Desert Diamonds’ for 2026 Met Gala

She wore our Piece of the Week, Glenn Spiro’s “Old Moghul Golconda” earrings, featuring fancy brown-yellow diamonds totaling 51.90 carats.

Kennedy’s Jewelers tourmaline necklace
Events & AwardsMay 08, 2026
JA Announces 2026 CASE Award Winners

Two pieces were named “Best in Show,” one from the retail category and one from the supplier category.

Brilliant Earth Jane Goodall olive branch necklace and earrings
FinancialsMay 07, 2026
Brilliant Earth Appeals to Higher-Income Shoppers in Q1

The jewelry retailer noted resilience among its higher-end customers while demand softened for its lower-priced offerings.

×

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