This is a comparison of 1.2ct ideal cut, G color, VS2 clarity Round cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $9280

White Flash: $11,644

Abazias: $10,758

Blue Nile: $11,579

Brilliant Earth: $10,970

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.