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Cushion|Lab Grown|IGI

1.51ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG663402889

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG663402889

Diamond specifications and retailer prices

From $313 USD
As of November 4, 2026
Save $1,147 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,460 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG663402889 or 663402889. Listed at 12 retailers as of November 4, 2026, with prices from $313 to $1,460, a $1,147 spread on the same certified stone. Brilliant Earth lists it at $1,460. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG663402889
Dimensions6.74 × 6.60 × 4.34 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.74 mm6.60 mm1.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG663402889
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 39°Culet: NoneDepth 65.8%

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 4
Current: $1,460 USD|Low: $232 USD|High: $1,680 USD|Avg: $732 USD|-7.0%
Brilliant Earth
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 4, 2026
Retailer 11$232 USD
Retailer 2$313 USD
Retailer 10$415 USD
Retailer 8$416 USD
Retailer 7$444 USD
Retailer 3$477 USD
Retailer 13$566 USD
Retailer 4$800 USD
Retailer 6$810 USD
Retailer 12$966 USD
Retailer 9$1,085 USD
Retailer 5$1,127 USD
Brilliant Earth$1,460 USD

38 data points across 13 retailers

12 retailers$313 USD to $1,460 USD

Retailer 1
-
$232 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$313 USD
View
A
Retailer 3
-
$415 USD
View
A
Retailer 4
-
$416 USD
View
B+
Retailer 5
-
$444 USD
View
A
Retailer 6
-
$477 USD
View
A
Retailer 7
-
$566 USD
View
Retailer 8
-
$800 USD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
$810 USD
View
B+
Retailer 10
-
$966 USD
View
B
Retailer 11
-
$1,085 USD
View
Most Expensive
B
Brilliant Earth
12311815A · Nov 4
$1,460 USD
View
11 more retailers have this diamond
Prices start from $313 USDSave up to $1,147 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
$313 USD