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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 $406 NZD
As of November 6, 2026
Save $1,706 NZD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,112 NZD 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 $406 to $2,112, a $1,706 spread on the same certified stone. MOH London lists it at $2,112. 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: $2,112 NZD|Low: $406 NZD|High: $2,142 NZD|Avg: $936 NZD|-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$406 NZD
Retailer 6$453 NZD
Retailer 3$575 NZD
Retailer 8$613 NZD
Retailer 2$736 NZD
Retailer 4$823 NZD
Retailer 9$915 NZD
Retailer 5$1,551 NZD
MOH London$2,112 NZD

44 data points across 9 retailers

9 retailers$406 NZD to $2,112 NZD

A
Cheapest Retailer
-
$406 NZD
Final sale: no returns
Retailer 2
-
$453 NZD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$575 NZD
View
B+
Retailer 4
-
$613 NZD
View
A
Retailer 5
-
$736 NZD
View
A
Retailer 6
-
$823 NZD
View
A
Retailer 7
-
$915 NZD
View
Retailer 8
-
$1,551 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
LG523296231 · Nov 5
$2,112 NZD
£922 GBP
View
8 more retailers have this diamond
Prices start from $406 NZDSave up to $1,706 NZD

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
$406 NZD