Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Helzberg Diamonds ← View details 244 Sunvalley Mall, Concord, CA 94520 +1 925-671-2571