This is a comparison of 0.75ct ideal cut, E color, VVS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $4330

White Flash: $4780

Abazias: $5246

Blue Nile: $5630

Brilliant Earth: $6590

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.