This is a comparison of 1.25ct ideal cut, F color, VVS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $14,810

White Flash: $15,854

Abazias: $16,086

Blue Nile: $17,628

Brilliant Earth: $16,620

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.