This is a comparison of 1ct ideal cut, H color, VS1 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $7620

White Flash: $10,042

Abazias: $9560

Blue Nile: $9023

Brilliant Earth: $9480

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.