This is a comparison of 1.1ct ideal cut, E color, VVS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $15,500

White Flash: $17,164

Abazias: $17,424

Blue Nile: $19,308

Brilliant Earth: $21,570

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.