| Business | Phone |
| Alvin Weintrub Diamond Co 414 Walnut St # 416, Cincinnati 45202 | (513) 621-0200 |
| Amrein Diamonds 9632 Colerain Ave, Cincinnati 45251 | (513) 741-1900 |
| Lebow Diamond Brokers 9711 Kenwood Rd, Cincinnati 45242 | (513) 984-0044 |
| Royal Diamonds 8600 Cavalier Dr, Cincinnati 45231 | (513) 521-1341 |