Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG835666021

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835666021

Diamond specifications and retailer prices

From $289 USD
As of November 4, 2026
Save $891 USD (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,180 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG835666021 or 835666021. Listed at 8 retailers as of November 2, 2026, with prices from $289 to $1,180, a $891 spread on the same certified stone. MOH London lists it at $1,180. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835666021
Dimensions8.54 × 5.78 × 3.92 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.54 mm5.78 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835666021
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,180 USD|Low: $289 USD|High: $1,186 USD|Avg: $800 USD|+11.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$289 USD
Retailer 5$427 USD
Retailer 7$583 USD
Retailer 4$588 USD
Retailer 2$917 USD
Retailer 6$1,049 USD
Retailer 8$1,058 USD
MOH London$1,180 USD

29 data points across 8 retailers

8 retailers$289 USD to $1,180 USD

A
Cheapest Retailer
-
$289 USD
A
Retailer 2
-
$427 USD
View
A
Retailer 3
-
$583 USD
View
A
Retailer 4
-
$588 USD
View
B+
Retailer 5
-
$917 USD
View
B
Retailer 6
-
$1,049 USD
View
Retailer 7
-
$1,058 USD
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG835666021 · Nov 2
$1,180 USD
£929 GBP
View
7 more retailers have this diamond
Prices start from $289 USDSave up to $891 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
1.51ct Cushion
$289 USD