Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Hays Gemological Services ← View details 250 South Pacific Street # 107, San Marcos, CA 92078 +1 760-744-1000