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
Largest White Diamond in Auction History Expected to Fetch $30 Million at Christie’s in May 2022
Emerald Jewelry Leads Spring 2022 Trends As Celebrity Engagements Leave Consumers Green with Envy
World’s Biggest & Rarest Colored Gems Are on Display in L.A.
Russia’s Invasion of Ukraine May Push Gold Prices Beyond $2000 Per Ounce
Latest Articles
800 Years of Mogok: A Celebration in Tenuous Times
What is the Average Gemstone Faceting Yield?
Pyroxmangite Value, Price, and Jewelry Information
How to Identify Emerald Simulants and Synthetics
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!