This is a comparison of 1.4ct ideal cut, F color, VVS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $17,820

White Flash: $19,485

Abazias: $19,730

Blue Nile: $21,801

Brilliant Earth: $23,650

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.