My husband (non-Celiac) and I (Celiac) have gone here twice for gelato, and we've had very positive experiences both times! The woman behind the counter was really knowledgeable and was able to tell me which flavors were safe. Also, we were able to sample flavors before buying. While they have some standard flavors, they also have some different ones; for instance, I got Vanilla Rose during our first visit and Peanut Butter & Jelly on the second visit. (Both were amazing! :) ) Also, they had a few oat milk-based flavors, if you need dairy free.
During our first visit, she mentioned that they have customers with allergies come in frequently, so they incorporated safety precautions into their processes to avoid cross-contact as much as possible. For example, they have a dedicated scooper for each flavor. Also, she was happy to change her gloves after handling gluten.
One (small) caveat is that the website doesn't tell you much about their flavors, so you'll have to go in-person.
— Very
— No gluten-free information on the menu
— Most/All
— Excellent