This is a comparison of 1.6ct ideal cut, H color, VS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $14,580

White Flash: $15,780

Abazias: $14,805

Blue Nile: $15,960

Brilliant Earth: $17,240

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.