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Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840629762

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629762

Diamond specifications and retailer prices

From €462 EUR
$516 USD
As of October 30, 2026
Save €2,608 EUR (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,070 EUR at Brilliant Earth · As of October 30, 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 LG840629762 or 840629762. Listed at 13 retailers as of October 30, 2026, with prices from €462 to €3,070, a €2,608 spread on the same certified stone. Brilliant Earth lists it at €3,070. 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
Crown angle35.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629762
Dimensions8.02 × 5.51 × 3.86 mm
L/W Ratio1.46
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
8.02 mm5.51 mm1.38 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629762
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 70.1%

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: €3,070 EUR|Low: €462 EUR|High: €3,070 EUR|Avg: €1,169 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12€462 EUR
Retailer 7€510 EUR
Retailer 6€747 EUR
Retailer 4€775 EUR
Retailer 2€816 EUR
Retailer 8€829 EUR
Retailer 10€848 EUR
Retailer 11€928 EUR
Retailer 5€1,616 EUR
Retailer 3€1,712 EUR
Retailer 9€1,822 EUR
Retailer 13€2,333 EUR
Brilliant Earth€3,070 EUR

6 data points across 13 retailers

13 retailers€462 EUR to €3,070 EUR

A
Cheapest Retailer
-
€462 EUR
$516 USD
Final sale: no returns
A
Retailer 2
-
€510 EUR
£448 GBP
View
A
Retailer 3
-
€747 EUR
$835 USD
View
A
Retailer 4
-
€775 EUR
$866 USD
View
A
Retailer 5
-
€816 EUR
£718 GBP
View
A
Retailer 6
-
€829 EUR
View
A
Retailer 7
-
€848 EUR
ZAR 15,306 ZAR
View
A
Retailer 8
-
€928 EUR
$1,037 USD
View
B+
Retailer 9
-
€1,616 EUR
$1,805 USD
View
B+
Retailer 10
-
€1,712 EUR
SGD 2,585 SGD
View
B
Retailer 11
-
€1,822 EUR
£1,603 GBP
View
B
Retailer 12
-
€2,333 EUR
$2,606 USD
View
Most Expensive
B
Brilliant Earth
22310847A · Oct 30
€3,070 EUR
$3,430 USD
View
12 more retailers have this diamond
Prices start from €462 EURSave up to €2,608 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
1.38ct Cushion
€462 EUR