This is a comparison of 1.7ct ideal cut, F color, VVS1 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $27,740

White Flash: $31,009

Abazias: $34,896

Blue Nile: $32,949

Brilliant Earth: $34,260

These diamonds are independently inspected and graded by GIA/AGS, which means you can trust their quality. The quality of these diamonds is identical--the only thing that is different is the price. For everything you need to know about buying engagement rings online, please visit http://howiboughtthering.com.