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Cushion|Lab Grown|IGI

1.54ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG830608395

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

Certificate IGI LG830608395

Diamond specifications and retailer prices

From $527 NZD
As of November 4, 2026
Save $2,818 NZD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,344 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct 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 LG830608395 or 830608395. Listed at 16 retailers as of November 4, 2026, with prices from $527 to $3,344, a $2,818 spread on the same certified stone. Brilliant Earth lists it at $3,344. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830608395
Dimensions6.66 × 6.63 × 4.50 mm
L/W Ratio1.00
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
6.66 mm6.63 mm1.54 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830608395
Side View
Table 63.0%Crown 33.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 67.9%

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: $3,344 NZD|Low: $484 NZD|High: $3,344 NZD|Avg: $1,322 NZD
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
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 3$527 NZD
Retailer 2$573 NZD
Retailer 15$808 NZD
Retailer 4$841 NZD
Retailer 12$852 NZD
Retailer 9$911 NZD
Retailer 16$943 NZD
Retailer 10$1,153 NZD
Retailer 11$1,327 NZD
Retailer 8$1,615 NZD
Retailer 7$1,681 NZD
Retailer 13$1,806 NZD
Retailer 14$1,978 NZD
Retailer 5$2,010 NZD
Retailer 6$2,259 NZD
Brilliant Earth$3,344 NZD

22 data points across 16 retailers

16 retailers$527 NZD to $3,344 NZD

A
Cheapest Retailer
-
$527 NZD
Final sale: no returns
A
Retailer 2
-
$573 NZD
View
A
Retailer 3
-
$808 NZD
View
A
Retailer 4
-
$841 NZD
View
A
Retailer 5
-
$852 NZD
View
A
Retailer 6
-
$911 NZD
View
A
Retailer 7
-
$943 NZD
View
A
Retailer 8
-
$1,153 NZD
View
B+
Retailer 9
-
$1,327 NZD
View
Retailer 10
-
$1,615 NZD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$1,681 NZD
View
B+
Retailer 12
-
$1,806 NZD
View
B
Retailer 13
-
$1,978 NZD
View
B
Retailer 14
-
$2,010 NZD
View
B
Retailer 15
-
$2,259 NZD
View
Most Expensive
B
Brilliant Earth
21141146A · Nov 4
$3,344 NZD
$1,880 USD
View
15 more retailers have this diamond
Prices start from $527 NZDSave up to $2,818 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
1.54ct Cushion
$527 NZD