This is a comparison of 0.7ct ideal cut, H color, VS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $2660

White Flash: $2834

Abazias: $3494

Blue Nile: $3441

Brilliant Earth: $3450

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.