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

James Allen: $6600

White Flash: $6970

Abazias: $8624

Blue Nile: $9317

Brilliant Earth: $9330

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.