This is a comparison of 0.5ct premium cut, F color, VVS1 clarity Emerald cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $1270

White Flash: $1369

Abazias: $1454

Blue Nile: $1505

Brilliant Earth: $1760

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.