This is a comparison of 1.75ct ideal cut, E color, VS2 clarity round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $25,590

White Flash: $26,348

Abazias: $26,469

Blue Nile: $26,356

Brilliant Earth: $33,340

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.