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Cushion|Lab Grown|IGI

1.50ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG778664942

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG778664942

Diamond specifications and retailer prices

From $296 USD
As of November 6, 2026
Save $1,954 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,250 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778664942 or 778664942. Listed at 25 retailers as of November 6, 2026, with prices from $296 to $2,250, a $1,954 spread on the same certified stone. Brilliant Earth lists it at $2,250. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778664942
Dimensions6.67 × 6.67 × 4.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.67 mm6.67 mm1.50 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778664942
Side View
Table 67.0%Crown 31.6°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 65.7%

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 6
Current: $2,250 USD|Low: $295 USD|High: $2,250 USD|Avg: $828 USD|+34.7%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 21
November 7, 2026
Retailer 11$296 USD
Retailer 9$325 USD
Retailer 20$345 USD
Retailer 4$420 USD
Retailer 13$475 USD
Retailer 15$530 USD
Retailer 16$580 USD
Retailer 10$587 USD
Retailer 2$589 USD
Retailer 17$616 USD
Retailer 7$653 USD
Retailer 8$761 USD
Retailer 3$782 USD
Retailer 5$1,011 USD
Retailer 21$1,056 USD
Retailer 19$1,249 USD
Retailer 18$1,260 USD
Retailer 6$1,287 USD
Retailer 12$1,340 USD
Retailer 14$1,400 USD
Brilliant Earth$2,250 USD

31 data points across 21 retailers

25 retailers$296 USD to $2,250 USD

A
Cheapest Retailer
-
$296 USD
Final sale: no returns
Retailer 2
-
$325 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$345 USD
View
B+
Retailer 4
-
$420 USD
View
A
Retailer 5
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$475 USD
View
A
Retailer 6
-
$530 USD
View
A
Retailer 7
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$580 USD
View
A
Retailer 8
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$587 USD
View
A
Retailer 9
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$589 USD
View
A
Retailer 10
-
$616 USD
View
A
Retailer 11
-
$653 USD
View
A
Retailer 12
-
$761 USD
View
B+
Retailer 13
-
$782 USD
View
B+
Retailer 14
-
$1,011 USD
View
B+
Retailer 15
-
$1,056 USD
View
Retailer 16
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$1,136 USD
View
Price last confirmed 37 days ago
B
Retailer 17
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$1,230 USD
View
Retailer 18
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$1,249 USD
View
Price last confirmed 25 days ago
B
Retailer 19
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$1,249 USD
View
B
Retailer 20
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$1,260 USD
View
B
Retailer 21
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$1,287 USD
View
B
Retailer 22
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$1,340 USD
View
Retailer 23
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$1,400 USD
View
Price last confirmed 24 days ago
B
Retailer 24
-
$1,670 USD
View
Most Expensive
B
Brilliant Earth
19977906A · Nov 6
$2,250 USD
View
24 more retailers have this diamond
Prices start from $296 USDSave up to $1,954 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
$296 USD