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Cushion|Lab Grown|IGI

4.04ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG826674036

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826674036

Diamond specifications and retailer prices

From €445 EUR
£392 GBP
As of October 27, 2026
Save €2,419 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,864 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.04ct lab-grown cushion diamond

This 4.04ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826674036 or 826674036. Listed at 12 retailers as of October 27, 2026, with prices from €445 to €2,864, a €2,419 spread on the same certified stone. Brilliant Earth lists it at €2,864. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.04
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826674036
Dimensions11.34 × 7.89 × 5.23 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.34 mm7.89 mm4.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826674036
Side View
Table 65.0%Crown 34.3°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 66.3%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: €2,864 EUR|Low: €445 EUR|High: €2,864 EUR|Avg: €1,309 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 10€445 EUR
Retailer 4€480 EUR
Retailer 7€573 EUR
Retailer 2€766 EUR
Retailer 9€806 EUR
Retailer 12€829 EUR
Retailer 11€878 EUR
Retailer 6€1,226 EUR
Retailer 13€1,261 EUR
Retailer 8€1,666 EUR
Retailer 3€1,956 EUR
Retailer 5€2,081 EUR
Brilliant Earth€2,864 EUR

39 data points across 13 retailers

12 retailers€445 EUR to €2,864 EUR

A
Cheapest Retailer
-
€445 EUR
£392 GBP
A
Retailer 2
-
€573 EUR
HK$5,000 HKD
View
A
Retailer 3
-
€766 EUR
View
A
Retailer 4
-
€806 EUR
$900 USD
View
B+
Retailer 5
-
€829 EUR
$926 USD
View
A
Retailer 6
-
€878 EUR
£772 GBP
View
B+
Retailer 7
-
€1,226 EUR
$1,370 USD
View
B+
Retailer 8
-
€1,261 EUR
$1,409 USD
View
B+
Retailer 9
-
€1,666 EUR
SGD 2,515 SGD
View
B+
Retailer 10
-
€1,956 EUR
£1,721 GBP
View
B
Retailer 11
-
€2,081 EUR
$2,325 USD
View
Most Expensive
B
Brilliant Earth
21003239A · Oct 31
€2,864 EUR
$3,200 USD
View
11 more retailers have this diamond
Prices start from €445 EURSave up to €2,419 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
4.04ct Cushion
€445 EUR