How difficult is it to get Citi Diamond Preferred Card?

I have no idea what are the qualifications to get Citi Diamond Preferred Card. Any suggestions will be appreciated!

The Citi Diamond Preferred Card is a very simple card that comes with quite a few benefits – namely, free FICO score reports and no annual fee. To get this card, it’s recommended that you have a good or excellent credit score, so anything in the range of 670+ should be good. However, if you don’t have such a credit score, you may need to consider other credit cards first before you apply for the Citi Diamond Preferred Card.

The Citi Diamond Preferred Card helps save money through lower interest rates without paying an annual cardholder fee. This card has an extensive introductory APR period of 0% for 21 months on balance transfers, and 0% for 12 months on purchases. The application process is simple, however you should know that the card requires good to excellent credit score, typically 700 or higher to have a good chance of being approved.