This is a comparison of 1ct ideal cut, G color, VVS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $10,270

White Flash: $11,021

Abazias: $11,692

Blue Nile: $11,241

Brilliant Earth: $11,905

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.