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

James Allen: $4440

White Flash: $4589

Abazias: $4822

Blue Nile: $5537

Brilliant Earth: $5190

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.