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Cushion|Lab Grown|IGI

4.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG743599835

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG743599835

Diamond specifications and retailer prices

From €410 EUR
£360 GBP
As of October 27, 2026
Save €2,437 EUR (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,846 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.02ct lab-grown cushion diamond

This 4.02ct 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 LG743599835 or 743599835. Listed at 14 retailers as of October 27, 2026, with prices from €410 to €2,846, a €2,437 spread on the same certified stone. Brilliant Earth lists it at €2,846. 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

4.02
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743599835
Dimensions9.03 × 8.73 × 5.56 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.03 mm8.73 mm4.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743599835
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 31.7°Culet: NoneDepth 63.7%

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: €2,846 EUR|Low: €408 EUR|High: €2,846 EUR|Avg: €1,171 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
Retailer 14
October 31, 2026
Retailer 11€410 EUR
Retailer 6€441 EUR
Retailer 8€527 EUR
Retailer 14€582 EUR
Retailer 2€735 EUR
Retailer 3€767 EUR
Retailer 5€792 EUR
Retailer 12€803 EUR
Retailer 7€1,161 EUR
Retailer 4€1,238 EUR
Retailer 10€1,530 EUR
Retailer 13€1,798 EUR
Retailer 9€2,063 EUR
Brilliant Earth€2,846 EUR

39 data points across 14 retailers

14 retailers€410 EUR to €2,846 EUR

A
Cheapest Retailer
-
€410 EUR
£360 GBP
A
Retailer 2
-
€527 EUR
HK$4,600 HKD
View
A
Retailer 3
-
€582 EUR
$650 USD
View
A
Retailer 4
-
€735 EUR
View
B+
Retailer 5
-
€767 EUR
$857 USD
View
A
Retailer 6
-
€792 EUR
$885 USD
View
A
Retailer 7
-
€803 EUR
£707 GBP
View
B+
Retailer 8
-
€1,161 EUR
$1,297 USD
View
B+
Retailer 9
-
€1,238 EUR
$1,383 USD
View
B+
Retailer 10
-
€1,530 EUR
SGD 2,310 SGD
View
B+
Retailer 11
-
€1,798 EUR
£1,582 GBP
View
B+
Retailer 12
-
€2,063 EUR
$2,305 USD
View
B
Retailer 13
-
€2,072 EUR
$2,315 USD
View
Most Expensive
B
Brilliant Earth
16748012A · Oct 31
€2,846 EUR
$3,180 USD
View
13 more retailers have this diamond
Prices start from €410 EURSave up to €2,437 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
4.02ct Cushion
€410 EUR