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Cushion|Lab Grown|IGI

5.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG781635077

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

Certificate IGI LG781635077

Diamond specifications and retailer prices

From $952 SGD
£587 GBP
As of October 27, 2026
Save $4,110 SGD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,062 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.01ct lab-grown cushion diamond

This 5.01ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781635077 or 781635077. Listed at 13 retailers as of October 27, 2026, with prices from $952 to $5,062, a $4,110 spread on the same certified stone. Brilliant Earth lists it at $5,062. 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

5.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781635077
Dimensions9.98 × 9.50 × 6.39 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.98 mm9.50 mm5.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781635077
Side View
Table 58.0%Crown 36.4°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 67.3%

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: $5,062 SGD|Low: $818 SGD|High: $5,062 SGD|Avg: $2,133 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 6$818 SGD
Retailer 10$952 SGD
Retailer 8$982 SGD
Retailer 12$1,074 SGD
Retailer 2$1,303 SGD
Retailer 5$1,359 SGD
Retailer 3$1,397 SGD
Retailer 11$1,409 SGD
Retailer 7$2,029 SGD
Retailer 4$2,566 SGD
Retailer 9$2,832 SGD
Retailer 13$3,778 SGD
Retailer 14$3,962 SGD
Brilliant Earth$5,062 SGD

38 data points across 14 retailers

13 retailers$952 SGD to $5,062 SGD

A
Cheapest Retailer
-
$952 SGD
£587 GBP
A
Retailer 2
-
$982 SGD
HK$6,000 HKD
View
A
Retailer 3
-
$1,074 SGD
$840 USD
View
A
Retailer 4
-
$1,303 SGD
€971 EUR
View
A
Retailer 5
-
$1,359 SGD
$1,063 USD
View
B+
Retailer 6
-
$1,397 SGD
$1,093 USD
View
A
Retailer 7
-
$1,409 SGD
£868 GBP
View
B+
Retailer 8
-
$2,029 SGD
$1,587 USD
View
B+
Retailer 9
-
$2,566 SGD
$2,007 USD
View
B+
Retailer 10
-
$2,832 SGD
View
Retailer 11
-
$3,778 SGD
$2,955 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$3,962 SGD
£2,440 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18472484A · Oct 29
$5,062 SGD
$3,960 USD
View
12 more retailers have this diamond
Prices start from $952 SGDSave up to $4,110 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
5.01ct Cushion
$952 SGD