Write a review about World Gemological Services Your name * Your e-mail * (Not for publication) Your mark * ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * — Required information Send World Gemological Services 120 Tustin Avenue f, Newport Beach, CA 92663 +1 949-646-7004 View details