1.51ct E IF Cushion Lab Grown Diamond
VG • E/IF • IGI LG638415688
Shape and cutting style on the report: Square cushion modified brilliant
Certificate IGI LG638415688
Diamond specifications and retailer prices
About this 1.51ct lab-grown cushion diamond
This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG638415688 or 638415688. Listed at 18 retailers as of October 29, 2026, with prices from $692 to $3,280, a $2,588 spread on the same certified stone. Brilliant Earth lists it at $3,280. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
Specifications
Caratlytics Score
How it works →18 retailers
Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.
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