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Cushion|Lab Grown|IGI

5.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG817634371

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817634371

Diamond specifications and retailer prices

From $978 SGD
£602 GBP
As of October 27, 2026
Save $4,085 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 30, 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 LG817634371 or 817634371. Listed at 13 retailers as of October 27, 2026, with prices from $978 to $5,062, a $4,085 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 angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817634371
Dimensions12.21 × 8.67 × 5.46 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.21 mm8.67 mm5.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817634371
Side View
Table 66.0%Crown 36.4°Girdle: MED-THKPavilion 33.6°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
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: $841 SGD|High: $9,562 SGD|Avg: $2,442 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
Retailer 13
Retailer 14
October 31, 2026
Retailer 6$841 SGD
Retailer 10$978 SGD
Retailer 9$998 SGD
Retailer 3$1,074 SGD
Retailer 2$1,320 SGD
Retailer 5$1,381 SGD
Retailer 14$1,431 SGD
Retailer 11$1,447 SGD
Retailer 8$2,081 SGD
Retailer 4$2,573 SGD
Retailer 7$2,869 SGD
Retailer 13$3,784 SGD
Retailer 12$4,049 SGD
Brilliant Earth$5,062 SGD

42 data points across 14 retailers

13 retailers$978 SGD to $5,062 SGD

A
Cheapest Retailer
-
$978 SGD
£602 GBP
A
Retailer 2
-
$998 SGD
HK$6,100 HKD
View
A
Retailer 3
-
$1,074 SGD
$840 USD
View
A
Retailer 4
-
$1,320 SGD
€983 EUR
View
A
Retailer 5
-
$1,381 SGD
$1,080 USD
View
B+
Retailer 6
-
$1,431 SGD
$1,119 USD
View
A
Retailer 7
-
$1,447 SGD
£891 GBP
View
B+
Retailer 8
-
$2,081 SGD
$1,628 USD
View
B+
Retailer 9
-
$2,573 SGD
$2,013 USD
View
B+
Retailer 10
-
$2,869 SGD
View
Retailer 11
-
$3,784 SGD
$2,960 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$4,049 SGD
£2,494 GBP
View
Most Expensive
B
Brilliant Earth
20782512A · Oct 30
$5,062 SGD
$3,960 USD
View
12 more retailers have this diamond
Prices start from $978 SGDSave up to $4,085 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
$978 SGD