Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663644

Certificate IGI LG846663644

Diamond specifications and retailer prices

From $2,179 USD
As of November 3, 2026
Save $461 USD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,640 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.38ct lab-grown cushion diamond

This 1.38ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663644 or 846663644. Listed at 2 retailers as of November 3, 2026, with prices from $2,179 to $2,640, a $461 spread on the same certified stone. Brilliant Earth lists it at $2,640. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663644
Dimensions8.30 × 5.56 × 3.76 mm
L/W Ratio1.49
Top View
8.30 mm5.56 mm1.38 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663644
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 67.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,640 USD|Low: $2,179 USD|High: $2,640 USD|Avg: $2,410 USD
Brilliant Earth
Retailer 2
November 3, 2026
Retailer 2$2,179 USD
Brilliant Earth$2,640 USD

1 data point across 2 retailers

2 retailers$2,179 USD to $2,640 USD

B
Cheapest Retailer
-
$2,179 USD
Most Expensive
Brilliant Earth
22481002A · Nov 3
$2,640 USD
View
1 more retailer has this diamond
Prices start from $2,179 USDSave up to $461 USD

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.

B
1.38ct Cushion
$2,179 USD