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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 $731 NZD
As of November 4, 2026
Save $2,751 NZD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,482 NZD at Brilliant Earth · As of November 5, 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 4, 2026, with prices from $731 to $3,482, a $2,751 spread on the same certified stone. Brilliant Earth lists it at $3,482. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,482 NZD|Low: $731 NZD|High: $3,590 NZD|Avg: $1,645 NZD|-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$731 NZD
Retailer 5$974 NZD
Retailer 2$1,019 NZD
Retailer 8$1,117 NZD
Retailer 7$1,131 NZD
Retailer 9$1,840 NZD
Retailer 3$2,177 NZD
Retailer 4$2,435 NZD
Brilliant Earth$3,482 NZD

38 data points across 9 retailers

9 retailers$731 NZD to $3,482 NZD

B+
Cheapest Retailer
-
$731 NZD
A
Retailer 2
-
$974 NZD
View
A
Retailer 3
-
$1,019 NZD
View
A
Retailer 4
-
$1,117 NZD
View
A
Retailer 5
-
$1,131 NZD
View
B+
Retailer 6
-
$1,840 NZD
View
B+
Retailer 7
-
$2,177 NZD
View
B
Retailer 8
-
$2,435 NZD
View
Most Expensive
B
Brilliant Earth
21322893A · Nov 5
$3,482 NZD
$1,930 USD
View
8 more retailers have this diamond
Prices start from $731 NZDSave up to $2,751 NZD

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
$731 NZD