| Business | Phone |
| Diamond Industry Of Canada Ltd 27 Queen St E #1003, Toronto M5C 2M6 | (416) 368-1004 |
| Crawford Custom Jewellers 3072 Bloor Street West, Etobicoke, ON, Toronto M8X 1C8 | (416) 239-1744 |
| P.T. Diamonds Inc. 21 Dundas Square, Unit 701, Toronto M5B 1B7 | (416) 907-4234 |
| P.T. Diamonds 21 Dundas Sq. Unit 701, Toronto M5B1B7 | (416) 907-4234 |