Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Gemscreen Gemological Services ← View details 3058 49th Avenue, Greeley, CO 80634 +1 970-282-0374