Cushion|Lab Grown|IGI

1.50ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG817640139

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817640139

Diamond specifications and retailer prices

From $288 USD
£227 GBP
As of November 2, 2026
Save $865 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,153 USD at MOH London · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817640139 or 817640139. Listed at 8 retailers as of November 2, 2026, with prices from $288 to $1,153, a $865 spread on the same certified stone. MOH London lists it at $1,153. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817640139
Dimensions8.38 × 5.73 × 3.88 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm5.73 mm1.50 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817640139
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.7%

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 2
Current: $1,153 USD|Low: $288 USD|High: $1,200 USD|Avg: $786 USD|+9.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3$288 USD
Retailer 4$416 USD
Retailer 2$575 USD
Retailer 7$578 USD
Retailer 6$912 USD
Retailer 5$1,015 USD
Retailer 8$1,029 USD
MOH London$1,153 USD

33 data points across 8 retailers

8 retailers$288 USD to $1,153 USD

A
Cheapest Retailer
-
$288 USD
£227 GBP
A
Retailer 2
-
$416 USD
€396 EUR
View
A
Retailer 3
-
$575 USD
A$884 AUD
View
A
Retailer 4
-
$578 USD
View
B+
Retailer 5
-
$912 USD
View
B
Retailer 6
-
$1,015 USD
View
Retailer 7
-
$1,029 USD
SGD 1,391 SGD
View
Price last confirmed 21 days ago
Most Expensive
MOH London
LG817640139 · Nov 2
$1,153 USD
£908 GBP
View
7 more retailers have this diamond
Prices start from $288 USDSave up to $865 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
$288 USD