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Cushion|Lab Grown|IGI

1.50ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG523296231

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG523296231

Diamond specifications and retailer prices

From $288 SGD
As of November 6, 2026
Save $1,212 SGD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,501 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523296231 or 523296231. Listed at 9 retailers as of November 5, 2026, with prices from $288 to $1,501, a $1,212 spread on the same certified stone. MOH London lists it at $1,501. 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
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523296231
Dimensions7.96 × 5.85 × 3.89 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.96 mm5.85 mm1.50 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG523296231
Side View
Table 61.5%Crown 36.1°Girdle: MED-THKPavilion 31.3°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,501 SGD|Low: $288 SGD|High: $1,522 SGD|Avg: $665 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$288 SGD
Retailer 6$322 SGD
Retailer 3$409 SGD
Retailer 8$436 SGD
Retailer 2$523 SGD
Retailer 4$584 SGD
Retailer 9$650 SGD
Retailer 5$1,102 SGD
MOH London$1,501 SGD

44 data points across 9 retailers

9 retailers$288 SGD to $1,501 SGD

A
Cheapest Retailer
-
$288 SGD
Final sale: no returns
Retailer 2
-
$322 SGD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$409 SGD
View
B+
Retailer 4
-
$436 SGD
View
A
Retailer 5
-
$523 SGD
View
A
Retailer 6
-
$584 SGD
View
A
Retailer 7
-
$650 SGD
View
Retailer 8
-
$1,102 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
LG523296231 · Nov 5
$1,501 SGD
£922 GBP
View
8 more retailers have this diamond
Prices start from $288 SGDSave up to $1,212 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
$288 SGD