This is a comparison of 1.3ct ideal cut, F color, VVS1 clarity Princess cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $11,430

White Flash: $12,947

Abazias: $11,837

Blue Nile: $15,583

Brilliant Earth: N/A

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.