Plan Your Visit General Info & Ticket Prices Calendar/Events Image 8 a.m. – 4 p.m., June 23 – 27, 2025 GIA® Diamond Grading Lab Class Image All Day, July 1 – 12, 2025 Summer Closure Image All Day, Aug. 5 – 16, 2025 End of Summer Celebration: $5 Admission for Everyone! Image 8 a.m. – 4 p.m., Oct. 6 – 10, 2025 GIA® Diamond Grading Lab Class Image 10 a.m. – 4 p.m., Oct. 17 – 18, 2025 Free Admission: Tucson Meet Yourself
