Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Herkimer Diamond Mines ← View details 4601 State Route 28, Herkimer, NY 13350 +1 315-717-0175