This is a comparison of 1ct ideal cut, I color, VS2 clarity Radiant cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $3570

White Flash: N/A

Abazias: $4334

Blue Nile: $3915

Brilliant Earth: $4210

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.