Exclusive: IGS Reveals the Most Popular Gemstone by State for 2023
Join us as we unveil the most coveted gemstones that have captured the hearts of residents in every corner of the United States.
| Alabama | Alexandrite |
| Alaska | Moonstone |
| Arizona | Alexandrite |
| Arkansas | Ruby |
| California | Ruby |
| Colorado | Ruby |
| Connecticut | Alexandrite |
| Delaware | Ruby |
| Florida | Alexandrite |
| Georgia | Alexandrite |
| Hawaii | Moonstone |
| Idaho | Alexandrite |
| Illinois | Ruby |
| Indiana | Ruby |
| Iowa | Moonstone |
| Kansas | Turquoise |
| Kentucky | Moonstone |
| Louisiana | Alexandrite |
| Maine | Moonstone |
| Maryland | Moonstone |
| Massachusetts | Alexandrite |
| Michigan | Ruby |
| Minnesota | Alexandrite |
| Mississippi | Emerald |
| Missouri | Alexandrite |
| Montana | Agate |
| Nebraska | Ruby |
| Nevada | Ruby |
| New Hampshire | Ruby |
| New Jersey | Ruby |
| New Mexico | Turquoise |
| New York | Ruby |
| North Carolina | Ruby |
| North Dakota | Ruby |
| Ohio | Alexandrite |
| Oklahoma | Alexandrite |
| Oregon | Sunstone |
| Pennsylvania | Ruby |
| Rhode Island | Moonstone |
| South Carolina | Moonstone |
| South Dakota | Turquoise |
| Tennessee | Alexandrite |
| Texas | Ruby |
| Utah | Ruby |
| Vermont | Charoite |
| Virginia | Alexandrite |
| Washington | Opal |
| West Virginia | Ruby |
| Wisconsin | Alexandrite |
| Wyoming | Agate |
Lisa Rosen
In 2012, Donald Clark retired and passed along stewardship of the IGS to the Rosen family, who were longtime members of IGS. Lisa Rosen runs the day-to-day operation of IGS and The Ganoksin Project, a technical resource website for bench jewelers and jewelry manufacturers. Lisa strongly believes that IGS must remain a cost-effective, accurate, and comprehensive resource for all those interested in gemology. IGS is our passion, and it is a family business.
Related Articles
Emerald Jewelry Leads Spring 2022 Trends As Celebrity Engagements Leave Consumers Green with Envy
Russia’s Invasion of Ukraine May Further Push Consumers Toward Lab Grown Diamonds To Avoid Russian Conflict Diamonds
Russian Invasion of Ukraine Will Not Disrupt Supply of Diamonds, Gold in the Short Term
The Best Gilded Age Jewelry at the Met Gala 2022: Tiaras, Chokers, and Nail Guards Fit For A Chinese Empress
Latest Articles
Painite Value, Price, and Jewelry Information
Polariscope Guide, Part 3: Testing for Gemstone Twinning, Dichroism, and Crystal Strain
Mineralogy of Phosphates and Other Rare Minerals
Destructive Gemstone Tests: Dye Testing
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!