This is a comparison of 0.6ct ideal cut, H color, VS1 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $1840

White Flash: $2379

Abazias: $2389

Blue Nile: $2066

Brilliant Earth: $2785

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.