This is a comparison of 1.7ct ideal cut, F color, VS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $21,980

White Flash: $22,266

Abazias: $23,657

Blue Nile: $23,620

Brilliant Earth: $23,315

These diamonds are independently inspected and graded by GIA/AGS, which means you can trust their quality. For everything you need to know about buying engagement rings online, please visit http://howiboughtthering.com.