How much is the cost of SSL certificates?

How much is the cost of SSL certificates? Many people before you decide to install SSL certificates, I will ask this question, but the specific cost SSL certificate is actually very difficult to answer, because, first of all, there are many brands of SSL certificates, a common DigiCert, Symantec, GeoTrust, COMODO, Entrust, Certum .
SSL certificate to buy more brands, the first thing to say is that the DigiCert, DigiCert powerful, stable, secure, compatible, FaceBook, IBA, 12306 are all in use. Specific cost can consult a letter
the second is to say to the Symantec, DigiCert Symantec has now been acquired, with Norton security labeling, formerly known as Verisign, SSL certificates is one of the first brands to enter China.
The GeoTrust cost is very high, if you want to find an affordable SSL certificate, you can prioritize GeoTrust.
COMODO, which a certificate, the world, including China, the issue is very large, especially the DV-level certificates, compatible with good, cheap, the most important issue is the fast rate, individuals and small businesses more choices.
Entrust, rigorous review, more certificate version, functional diversification, to meet the needs of a variety of personalization.
Certum is one of Europe's oldest certification body, inexpensive.