Customer Service:

Telephone: (213)622-5877 or
(877)570-SHIP (7447)
Fax: (626)204-0349
support@transguardian.com

Main Office:

International Jewelry Center
550 S Hill Street, Lobby 103
Los Angeles CA 90013
Telephone: (213)622-5877 or
(877)570-SHIP (7447)
Fax: (213)327-0140

New York Office:

Diamond Dealers Club of New York
580 Fifth Avenue 10th Fl
New York NY 10036
Telephone: (213)622-5877 or
(877)570-SHIP (7447)
Fax: (213)327-0140

Mailing Address:

2627 Mission St
San Marino, CA 91108