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Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG840629940

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629940

Diamond specifications and retailer prices

From €702 EUR
$784 USD
As of October 30, 2026
Save €1,631 EUR (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,333 EUR at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

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 very-good cut grade and certified by IGI LG840629940 or 840629940. Listed at 9 retailers as of October 30, 2026, with prices from €702 to €2,333, a €1,631 spread on the same certified stone. Helzberg Diamonds lists it at €2,333. 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

1.38
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629940
Dimensions8.18 × 5.62 × 3.75 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
8.18 mm5.62 mm1.38 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629940
Side View
Table 58.0%Crown 34.7°Girdle: STK-THKPavilion 35°Culet: NoneDepth 66.7%

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: €2,333 EUR|Low: €702 EUR|High: €2,596 EUR|Avg: €1,357 EUR
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4€702 EUR
Retailer 2€771 EUR
Retailer 6€775 EUR
Retailer 3€816 EUR
Retailer 7€928 EUR
Retailer 8€1,616 EUR
Retailer 9€1,712 EUR
Retailer 5€2,309 EUR
Helzberg Diamonds€2,333 EUR

3 data points across 9 retailers

9 retailers€702 EUR to €2,333 EUR

A
Cheapest Retailer
-
€702 EUR
$784 USD
A
Retailer 2
-
€771 EUR
View
A
Retailer 3
-
€775 EUR
$866 USD
View
A
Retailer 4
-
€816 EUR
£718 GBP
View
B+
Retailer 5
-
€928 EUR
$1,037 USD
View
B
Retailer 6
-
€1,616 EUR
$1,805 USD
View
B
Retailer 7
-
€1,712 EUR
SGD 2,585 SGD
View
B
Retailer 8
-
€2,309 EUR
$2,580 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIPPKG · Oct 31
€2,333 EUR
$2,606 USD
View
8 more retailers have this diamond
Prices start from €702 EURSave up to €1,631 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
€702 EUR