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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG754522117

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

Certificate IGI LG754522117

Diamond specifications and retailer prices

From $650 SGD
As of November 6, 2026
Save $4,028 SGD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,678 SGD at Brilliant Earth · As of November 7, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct 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 LG754522117 or 754522117. Listed at 16 retailers as of November 6, 2026, with prices from $650 to $4,678, a $4,028 spread on the same certified stone. Brilliant Earth lists it at $4,678. 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

3.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754522117
Dimensions8.63 × 8.62 × 5.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.62 mm3.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754522117
Side View
Table 63.0%Crown 38.6°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $4,678 SGD|Low: $593 SGD|High: $4,678 SGD|Avg: $1,661 SGD|+2.2%
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
Retailer 15
November 7, 2026
Retailer 11$650 SGD
Retailer 4$664 SGD
Retailer 9$852 SGD
Retailer 5$1,047 SGD
Retailer 3$1,050 SGD
Retailer 8$1,086 SGD
Retailer 10$1,161 SGD
Retailer 15$1,275 SGD
Retailer 13$1,701 SGD
Retailer 7$2,179 SGD
Retailer 2$2,307 SGD
Retailer 6$2,421 SGD
Retailer 12$2,434 SGD
Retailer 14$2,493 SGD
Brilliant Earth$4,678 SGD

43 data points across 15 retailers

16 retailers$650 SGD to $4,678 SGD

A
Cheapest Retailer
-
$650 SGD
Final sale: no returns
A
Retailer 2
-
$664 SGD
View
A
Retailer 3
-
$852 SGD
View
B+
Retailer 4
-
$1,047 SGD
View
A
Retailer 5
-
$1,050 SGD
View
A
Retailer 6
-
$1,086 SGD
View
A
Retailer 7
-
$1,161 SGD
View
A
Retailer 8
-
$1,275 SGD
View
B+
Retailer 9
-
$1,701 SGD
View
B+
Retailer 10
-
$2,179 SGD
View
B
Retailer 11
-
$2,307 SGD
View
B
Retailer 12
-
$2,421 SGD
View
B+
Retailer 13
-
$2,434 SGD
View
B
Retailer 14
-
$2,493 SGD
View
B
Retailer 15
-
$4,639 SGD
View
Most Expensive
B
Brilliant Earth
20624929A · Nov 7
$4,678 SGD
$3,650 USD
View
15 more retailers have this diamond
Prices start from $650 SGDSave up to $4,028 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
3.01ct Cushion
$650 SGD