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Cushion|Lab Grown|IGI

4.00ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG794662539

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG794662539

Diamond specifications and retailer prices

From $1,074 SGD
$840 USD
As of October 31, 2026
Save $2,979 SGD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,053 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct 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 LG794662539 or 794662539. Listed at 8 retailers as of October 30, 2026, with prices from $1,074 to $4,053, a $2,979 spread on the same certified stone. Brilliant Earth lists it at $4,053. 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

4.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794662539
Dimensions10.92 × 8.22 × 5.66 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.92 mm8.22 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794662539
Side View
Table 49.0%Crown 38.2°Girdle: STK-THKPavilion 39.3°Culet: LargeDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,053 SGD|Low: $655 SGD|High: $7,645 SGD|Avg: $2,062 SGD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$655 SGD
Retailer 8$1,038 SGD
Retailer 3$1,074 SGD
Retailer 5$1,307 SGD
Retailer 6$1,395 SGD
Retailer 2$1,414 SGD
Retailer 4$1,788 SGD
Retailer 7$2,863 SGD
Brilliant Earth$4,053 SGD

42 data points across 9 retailers

8 retailers$1,074 SGD to $4,053 SGD

Retailer 1
-
$1,038 SGD
$812 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$1,074 SGD
$840 USD
View
A
Retailer 3
-
$1,307 SGD
$1,022 USD
View
B+
Retailer 4
-
$1,395 SGD
$1,091 USD
View
A
Retailer 5
-
$1,414 SGD
£871 GBP
View
B+
Retailer 6
-
$1,788 SGD
$1,399 USD
View
B
Retailer 7
-
$2,863 SGD
View
Most Expensive
B
Brilliant Earth
21584608A · Oct 30
$4,053 SGD
$3,170 USD
View
7 more retailers have this diamond
Prices start from $1,074 SGDSave up to $2,979 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
4.00ct Cushion
$1,074 SGD