Hello Nairalanders In Canada

hi nairalanders in Canada,please i need information about a company, i intend doing business with.This company is located in Toronto, they deal on selling Diamonds. here is their contact:Canadian Diamond Traders Inc. Head Quarters

 ADDRESS:
5145 STEELES AVE W
SUITE D802
TORONTO ON M9L 1R5
CANADA

TELEPHONE: 416-742-2280

FACSIMILE:   416-742-0557
TOLL FREE:   1:800-692-0750
HOURS OF OPERATION
MONDAY TO FRIDAY 11:00 AM TO 7:00 PM EST

I want to know if they are real, because a freind in UK told me about them and the business they do is quite rewarding.thanks you can reply me @ wealthzone42@yahoo.com, thanks in anticipation!