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Cushion|Lab Grown|IGI

4.10ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG749593778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG749593778

Diamond specifications and retailer prices

From $972 SGD
$760 USD
As of November 2, 2026
Save $5,538 SGD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,510 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.1ct lab-grown cushion diamond

This 4.1ct 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 LG749593778 or 749593778. Listed at 14 retailers as of November 2, 2026, with prices from $972 to $6,510, a $5,538 spread on the same certified stone. Brilliant Earth lists it at $6,510. 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

4.10
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749593778
Dimensions10.93 × 8.57 × 5.87 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm8.57 mm4.10 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749593778
Side View
Table 65.0%Crown 33°Girdle: MED-THKPavilion 44.3°Culet: NoneDepth 68.5%

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: Nov 2
Current: $6,510 SGD|Low: $757 SGD|High: $7,725 SGD|Avg: $2,238 SGD|-15.7%
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
November 2, 2026
Retailer 6$840 SGD
Retailer 4$972 SGD
Retailer 8$1,060 SGD
Retailer 10$1,356 SGD
Retailer 13$1,409 SGD
Retailer 12$1,416 SGD
Retailer 7$1,430 SGD
Retailer 11$1,553 SGD
Retailer 2$2,119 SGD
Retailer 14$2,924 SGD
Retailer 3$2,965 SGD
Retailer 5$3,958 SGD
Retailer 9$3,974 SGD
Brilliant Earth$6,510 SGD

38 data points across 14 retailers

14 retailers$972 SGD to $6,510 SGD

Retailer 1
-
$840 SGD
$657 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$972 SGD
$760 USD
View
A
Retailer 3
-
$1,060 SGD
$829 USD
View
Final sale: no returns
A
Retailer 4
-
$1,356 SGD
€1,010 EUR
View
B+
Retailer 5
-
$1,409 SGD
$1,102 USD
View
A
Retailer 6
-
$1,416 SGD
$1,107 USD
View
A
Retailer 7
-
$1,430 SGD
£880 GBP
View
A
Retailer 8
-
$1,553 SGD
$1,214 USD
View
B+
Retailer 9
-
$2,119 SGD
$1,657 USD
View
B
Retailer 10
-
$2,924 SGD
$2,286 USD
View
B
Retailer 11
-
$2,965 SGD
$2,318 USD
View
Retailer 12
-
$3,958 SGD
$3,095 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$3,974 SGD
£2,447 GBP
View
Most Expensive
B
Brilliant Earth
21586390A · Nov 2
$6,510 SGD
$5,090 USD
View
13 more retailers have this diamond
Prices start from $972 SGDSave up to $5,538 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
4.10ct Cushion
$972 SGD