Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Diamond City Jewelers ← View details 1902 Contra Costa Boulevard, Pleasant Hill, CA 94523 +1 925-349-6200