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 andThe 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
U.S. Sanctions Russian Diamonds Over Ukraine Invasion
Sotheby’s Sells 555.55-ct Enigma Diamond for $4.3m
Russian Invasion of Ukraine Will Not Disrupt Supply of Diamonds, Gold in the Short Term
Almost Three Years Later, Covid-19 Continues to Plague Gemstone Mining in Brazil and Madagascar
Latest Articles
Seven Famous Pearls and Their Histories
Opal Stones and Gems: Value, Price, and Jewelry Information
Seven Stunning but Delicate Engagement Ring Stones
Advice For Grading Dark Colored Gemstones
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!