This is a comparison of 1ct ideal cut, F color, SI1 clarity Emerald cut diamonds (click the dollar amount to be taken directly to the diamond):

James Allen: $4270

White Flash: $4495

Abazias: $4750

Blue Nile: $4978

Brilliant Earth: $5000

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.