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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 $193 USD
As of November 6, 2026
Save $808 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,001 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 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 $193 to $1,001, a $808 spread on the same certified stone. MOH London lists it at $1,001. 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
Color
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

How it works →
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: $1,001 USD|Low: $193 USD|High: $1,070 USD|Avg: $563 USD|-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$193 USD
Retailer 6$273 USD
Retailer 2$355 USD
Retailer 7$377 USD
Retailer 9$382 USD
Retailer 4$405 USD
Retailer 11$451 USD
Retailer 5$477 USD
Retailer 10$545 USD
Retailer 13$703 USD
Retailer 3$850 USD
Retailer 12$920 USD
MOH London$1,001 USD

44 data points across 13 retailers

14 retailers$193 USD to $1,001 USD

A
Cheapest Retailer
-
$193 USD
Final sale: no returns
A
Retailer 2
-
$243 USD
View
A
Retailer 3
-
$273 USD
View
A
Retailer 4
-
$355 USD
View
A
Retailer 5
-
$377 USD
View
B+
Retailer 6
-
$382 USD
View
Retailer 7
-
$405 USD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$451 USD
View
Retailer 9
-
$477 USD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$545 USD
View
B+
Retailer 11
-
$703 USD
View
Retailer 12
-
$850 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$920 USD
View
Most Expensive
B
MOH London
LG784633426 · Nov 5
$1,001 USD
£788 GBP
View
13 more retailers have this diamond
Prices start from $193 USDSave up to $808 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
$193 USD