This is a comparison of 1ct ideal cut, E color, VS1 clarity Princess cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $6300

White Flash: $6417

Abazias: $6667

Blue Nile: $7275

Brilliant Earth: $7400

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.