This is a comparison of 0.6ct ideal cut, H color, VVS1 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $2740

White Flash: $2901

Abazias: $3058

Blue Nile: $2873

Brilliant Earth: $3215

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.