| Business | Phone |
| Safris Limited 333 Washington St # 612, Boston 2108 | (617) 367-0132 |
| Direct Diamonds Distributors 333 Washington St # 26, Boston 2108 | (617) 523-0444 |
| Mouradian Jewelry 333 Washington St # 417, Boston 2108 | (617) 248-8610 |
| Louis F Guiness Inc 333 Washington St # 202, Boston 2108 | (617) 720-0207 |
| Kopelman & Shatz Inc Boston 2111 | (617) 542-4563 |
| International Merchants Corp 387 Washington St # 717, Boston 2108 | (617) 542-1069 |