Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information American Gem Society Labs ← View details 8917 West Sahara Avenue, Las Vegas, NV 89117 +1 702-233-6120