Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Ohio Gemological Laboratory ← View details 572 Miamisburg Centerville Rd, Dayton, Virginia 45459 (937) 438-5681