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Cushion|Lab Grown|IGI

4.40ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG822633154

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG822633154

Diamond specifications and retailer prices

From $840 SGD
£517 GBP
As of October 27, 2026
Save $3,546 SGD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,387 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.4ct lab-grown cushion diamond

This 4.4ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG822633154 or 822633154. Listed at 12 retailers as of October 27, 2026, with prices from $840 to $4,387, a $3,546 spread on the same certified stone. Brilliant Earth lists it at $4,387. 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

4.40
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822633154
Dimensions11.41 × 8.37 × 5.35 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.41 mm8.37 mm4.40 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822633154
Side View
Table 61.0%Crown 34.9°Girdle: MED-THKPavilion 31.5°Culet: NoneDepth 63.9%

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: $4,387 SGD|Low: $838 SGD|High: $8,287 SGD|Avg: $2,631 SGD|-47.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$840 SGD
Retailer 7$1,031 SGD
Retailer 3$1,138 SGD
Retailer 5$1,380 SGD
Retailer 12$1,489 SGD
Retailer 9$1,512 SGD
Retailer 4$1,792 SGD
Retailer 2$2,071 SGD
Retailer 6$2,997 SGD
Retailer 11$4,022 SGD
Retailer 10$4,221 SGD
Brilliant Earth$4,387 SGD

40 data points across 12 retailers

12 retailers$840 SGD to $4,387 SGD

A
Cheapest Retailer
-
$840 SGD
£517 GBP
A
Retailer 2
-
$1,031 SGD
HK$6,300 HKD
View
Retailer 3
-
$1,138 SGD
$890 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$1,380 SGD
€1,028 EUR
View
Retailer 5
-
$1,489 SGD
$1,164 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,512 SGD
£931 GBP
View
B+
Retailer 7
-
$1,792 SGD
$1,401 USD
View
B+
Retailer 8
-
$2,071 SGD
$1,619 USD
View
B+
Retailer 9
-
$2,997 SGD
View
Retailer 10
-
$4,022 SGD
$3,145 USD
View
Price last confirmed 14 days ago
Retailer 11
-
$4,221 SGD
£2,599 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20801264A · Nov 2
$4,387 SGD
$3,430 USD
View
11 more retailers have this diamond
Prices start from $840 SGDSave up to $3,546 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
4.40ct Cushion
$840 SGD