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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 $225 USD
As of November 6, 2026
Save $946 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,171 USD 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 $225 to $1,171, a $946 spread on the same certified stone. MOH London lists it at $1,171. 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
Color
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: $1,171 USD|Low: $225 USD|High: $1,187 USD|Avg: $519 USD|-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$225 USD
Retailer 6$251 USD
Retailer 3$319 USD
Retailer 8$340 USD
Retailer 2$408 USD
Retailer 4$456 USD
Retailer 9$507 USD
Retailer 5$860 USD
MOH London$1,171 USD

44 data points across 9 retailers

9 retailers$225 USD to $1,171 USD

A
Cheapest Retailer
-
$225 USD
Final sale: no returns
Retailer 2
-
$251 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$319 USD
View
B+
Retailer 4
-
$340 USD
View
A
Retailer 5
-
$408 USD
View
A
Retailer 6
-
$456 USD
View
A
Retailer 7
-
$507 USD
View
Retailer 8
-
$860 USD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG523296231 · Nov 5
$1,171 USD
£922 GBP
View
8 more retailers have this diamond
Prices start from $225 USDSave up to $946 USD

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
$225 USD