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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 $585 SGD
£360 GBP
As of October 27, 2026
Save $3,480 SGD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,065 SGD at Brilliant Earth · As of October 29, 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 $585 to $4,065, a $3,480 spread on the same certified stone. Brilliant Earth lists it at $4,065. 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
Colour
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

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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 27
Current: $4,065 SGD|Low: $583 SGD|High: $4,065 SGD|Avg: $1,671 SGD
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$585 SGD
Retailer 6$630 SGD
Retailer 8$753 SGD
Retailer 14$831 SGD
Retailer 7$1,056 SGD
Retailer 3$1,096 SGD
Retailer 5$1,131 SGD
Retailer 12$1,147 SGD
Retailer 2$1,658 SGD
Retailer 4$1,768 SGD
Retailer 10$2,185 SGD
Retailer 13$2,568 SGD
Retailer 9$2,947 SGD
Brilliant Earth$4,065 SGD

40 data points across 14 retailers

14 retailers$585 SGD to $4,065 SGD

A
Cheapest Retailer
-
$585 SGD
£360 GBP
A
Retailer 2
-
$753 SGD
HK$4,600 HKD
View
A
Retailer 3
-
$831 SGD
$650 USD
View
A
Retailer 4
-
$1,056 SGD
€787 EUR
View
B+
Retailer 5
-
$1,096 SGD
$857 USD
View
A
Retailer 6
-
$1,131 SGD
$885 USD
View
A
Retailer 7
-
$1,147 SGD
£707 GBP
View
B+
Retailer 8
-
$1,658 SGD
$1,297 USD
View
B+
Retailer 9
-
$1,768 SGD
$1,383 USD
View
B+
Retailer 10
-
$2,185 SGD
View
B+
Retailer 11
-
$2,568 SGD
£1,582 GBP
View
B+
Retailer 12
-
$2,947 SGD
$2,305 USD
View
B
Retailer 13
-
$2,959 SGD
$2,315 USD
View
Most Expensive
B
Brilliant Earth
16748012A · Oct 29
$4,065 SGD
$3,180 USD
View
13 more retailers have this diamond
Prices start from $585 SGDSave up to $3,480 SGD

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
$585 SGD