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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG784633426

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784633426

Diamond specifications and retailer prices

From $247 SGD
As of November 6, 2026
Save $1,035 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,283 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784633426 or 784633426. Listed at 14 retailers as of November 5, 2026, with prices from $247 to $1,283, a $1,035 spread on the same certified stone. MOH London lists it at $1,283. 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

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784633426
Dimensions8.04 × 5.87 × 3.75 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.87 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784633426
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 36.7°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: Nov 6
Current: $1,283 SGD|Low: $247 SGD|High: $1,371 SGD|Avg: $722 SGD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8$247 SGD
Retailer 6$350 SGD
Retailer 2$455 SGD
Retailer 7$483 SGD
Retailer 9$490 SGD
Retailer 4$519 SGD
Retailer 11$578 SGD
Retailer 5$611 SGD
Retailer 10$698 SGD
Retailer 13$901 SGD
Retailer 3$1,089 SGD
Retailer 12$1,179 SGD
MOH London$1,283 SGD

44 data points across 13 retailers

14 retailers$247 SGD to $1,283 SGD

A
Cheapest Retailer
-
$247 SGD
Final sale: no returns
A
Retailer 2
-
$311 SGD
View
A
Retailer 3
-
$350 SGD
View
A
Retailer 4
-
$455 SGD
View
A
Retailer 5
-
$483 SGD
View
B+
Retailer 6
-
$490 SGD
View
Retailer 7
-
$519 SGD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$578 SGD
View
Retailer 9
-
$611 SGD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$698 SGD
View
B+
Retailer 11
-
$901 SGD
View
Retailer 12
-
$1,089 SGD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$1,179 SGD
View
Most Expensive
B
MOH London
LG784633426 · Nov 5
$1,283 SGD
£788 GBP
View
13 more retailers have this diamond
Prices start from $247 SGDSave up to $1,035 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
1.50ct Cushion
$247 SGD