Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Gemological Resources Inc. ← View details 115 East Glenside Avenue #6, Glenside, PA 19038 +1 215-938-7252