Cushion|Lab Grown|IGI

1.51ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG825633290

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

Certificate IGI LG825633290

Diamond specifications and retailer prices

From $405 USD
As of November 4, 2026
Save $1,525 USD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,930 USD at Brilliant Earth · As of November 2, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825633290 or 825633290. Listed at 9 retailers as of November 2, 2026, with prices from $405 to $1,930, a $1,525 spread on the same certified stone. Brilliant Earth lists it at $1,930. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633290
Dimensions6.88 × 6.61 × 4.32 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.88 mm6.61 mm1.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633290
Side View
Table 59.0%Crown 35.5°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 65.4%

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 4
Current: $1,930 USD|Low: $405 USD|High: $1,990 USD|Avg: $912 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 6$405 USD
Retailer 5$540 USD
Retailer 2$565 USD
Retailer 8$619 USD
Retailer 7$627 USD
Retailer 9$1,020 USD
Retailer 3$1,207 USD
Retailer 4$1,350 USD
Brilliant Earth$1,930 USD

39 data points across 9 retailers

9 retailers$405 USD to $1,930 USD

B+
Cheapest Retailer
-
$405 USD
A
Retailer 2
-
$540 USD
View
A
Retailer 3
-
$565 USD
View
A
Retailer 4
-
$619 USD
View
A
Retailer 5
-
$627 USD
View
B+
Retailer 6
-
$1,020 USD
View
B+
Retailer 7
-
$1,207 USD
View
B
Retailer 8
-
$1,350 USD
View
Most Expensive
B
Brilliant Earth
21322893A · Nov 2
$1,930 USD
View
8 more retailers have this diamond
Prices start from $405 USDSave up to $1,525 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
$405 USD