Been lurking these forums the past 3 months and have decided to purchase a round brilliant from GOG. Out of these three which would you choose? All are within my tight budget and would be going on a size 3.75 finger. 
http://www.goodoldgold.com/diamond/10893/ 0.7ct H SI1 Premium Round Diamond $2,823
http://www.goodoldgold.com/diamond/10478/ 0.58ct G VS1 Superior Round Diamond $2,436
http://www.goodoldgold.com/diamond/9789/ 0.6ct E SI1 Superior Round Diamond $2,370
Thank you!!
http://www.goodoldgold.com/diamond/10893/ 0.7ct H SI1 Premium Round Diamond $2,823
http://www.goodoldgold.com/diamond/10478/ 0.58ct G VS1 Superior Round Diamond $2,436
http://www.goodoldgold.com/diamond/9789/ 0.6ct E SI1 Superior Round Diamond $2,370
Thank you!!