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Cushion|Lab Grown|IGI

1.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663203

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663203

Diamond specifications and retailer prices

From €471 EUR
£414 GBP
As of October 30, 2026
Save €1,821 EUR (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,291 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct 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 LG846663203 or 846663203. Listed at 8 retailers as of October 30, 2026, with prices from €471 to €2,291, a €1,821 spread on the same certified stone. Brilliant Earth lists it at €2,291. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663203
Dimensions8.15 × 5.36 × 3.75 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.15 mm5.36 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663203
Side View
Table 58.0%Crown 31°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,291 EUR|Low: €471 EUR|High: €2,291 EUR|Avg: €1,077 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7€471 EUR
Retailer 4€671 EUR
Retailer 6€721 EUR
Retailer 2€863 EUR
Retailer 3€883 EUR
Retailer 5€1,389 EUR
Retailer 8€1,865 EUR
Brilliant Earth€2,291 EUR

7 data points across 8 retailers

8 retailers€471 EUR to €2,291 EUR

A
Cheapest Retailer
-
€471 EUR
£414 GBP
A
Retailer 2
-
€671 EUR
$750 USD
View
A
Retailer 3
-
€721 EUR
$806 USD
View
A
Retailer 4
-
€863 EUR
$964 USD
View
A
Retailer 5
-
€883 EUR
View
B+
Retailer 6
-
€1,389 EUR
$1,552 USD
View
B
Retailer 7
-
€1,865 EUR
£1,641 GBP
View
Most Expensive
B
Brilliant Earth
22305438A · Oct 30
€2,291 EUR
$2,560 USD
View
7 more retailers have this diamond
Prices start from €471 EURSave up to €1,821 EUR

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.

A
1.31ct Cushion
€471 EUR