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

James Allen: $6930

White Flash: $8700

Abazias: $8145

Blue Nile: $7372

Brilliant Earth: $8165

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.