Cushion|Lab Grown|IGI

6.47ct D IF Cushion Lab Grown Diamond

VG • D/IF

Diamond specifications and retailer prices

From $22,755 USD

As of October 31, 2026

2 retailers carry this diamond

Most expensive: $22,755 USD at Blue Nile

View at Blue Nile

About this 6.47ct lab-grown cushion diamond

This 6.47ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 2 retailers as of October 31, 2026. 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

6.47

Carat

Color

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginLab Grown

Grading LabIGI

Dimensions12.28 × 10.24 × 6.62 mm

L/W Ratio1.20

Top View

OriginLab Grown

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI

Side View

Caratlytics Score

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Good

Decent quality, room for better deals

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Price History

Last verified: Oct 31

Current: $22,755 USD|Low: $20,314 USD|High: $22,755 USD|Avg: $21,458 USD

Blue Nile

Retailer 2

October 17, 2026

Retailer 2$20,474 USD

Blue Nile$22,755 USD

21 data points across 2 retailers

2 retailers

Retailer 1

$20,474 USD

£16,121 GBP

Price last confirmed 14 days ago

Most Expensive

Blue Nile

26682804 · Oct 31

$22,755 USD

View

1 more retailer has this diamond

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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6.47ct Cushion

$22,755 USD