| Business | Phone |
| Diamond Enterprises Cleveland 44113 | (216) 556-3930 |
| Red Diamond Ltd 619 Linda St, Cleveland 44116 | (440) 356-6639 |
| Penny Deutsch Co 26949 Chagrin Blvd, Cleveland 44122 | (216) 292-6255 |
| L & L Inc Diamond Dealer 13967 Cedar Rd, Cleveland 44118 | (216) 321-0806 |