This is a comparison of 1.5ct ideal cut, F color, VS1 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $19,160

White Flash: $23,024

Abazias: $25,018

Blue Nile: $24,349

Brilliant Earth: $23,750

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.