This is a comparison of 0.7ct ideal cut, E color, VVS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $4610

White Flash: $5044

Abazias: $5313

Blue Nile: $5874

Brilliant Earth: $6160

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.