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Cushion|Lab Grown|IGI

1.54ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG830608389

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

Certificate IGI LG830608389

Diamond specifications and retailer prices

From $554 NZD
As of November 6, 2026
Save $2,946 NZD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,500 NZD at Brilliant Earth · As of November 6, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830608389 or 830608389. Listed at 15 retailers as of November 6, 2026, with prices from $554 to $3,500, a $2,946 spread on the same certified stone. Brilliant Earth lists it at $3,500. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830608389
Dimensions6.79 × 6.57 × 4.39 mm
L/W Ratio1.03
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
6.79 mm6.57 mm1.54 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830608389
Side View
Table 63.0%Crown 36.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 66.8%

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 6
Current: $3,500 NZD|Low: $545 NZD|High: $3,500 NZD|Avg: $1,453 NZD|+1.6%
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
November 6, 2026
Retailer 9$554 NZD
Retailer 4$566 NZD
Retailer 8$855 NZD
Retailer 2$893 NZD
Retailer 3$893 NZD
Retailer 10$987 NZD
Retailer 14$1,149 NZD
Retailer 12$1,232 NZD
Retailer 13$1,362 NZD
Retailer 6$1,789 NZD
Retailer 7$2,076 NZD
Retailer 11$2,107 NZD
Retailer 15$2,145 NZD
Retailer 5$2,360 NZD
Brilliant Earth$3,500 NZD

23 data points across 15 retailers

15 retailers$554 NZD to $3,500 NZD

A
Cheapest Retailer
-
$554 NZD
A
Retailer 2
-
$566 NZD
View
Final sale: no returns
A
Retailer 3
-
$855 NZD
View
A
Retailer 4
-
$893 NZD
View
A
Retailer 5
-
$893 NZD
View
A
Retailer 6
-
$987 NZD
View
A
Retailer 7
-
$1,149 NZD
View
A
Retailer 8
-
$1,232 NZD
View
B+
Retailer 9
-
$1,362 NZD
View
B+
Retailer 10
-
$1,789 NZD
View
Retailer 11
-
$2,076 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,107 NZD
View
B+
Retailer 13
-
$2,145 NZD
View
B
Retailer 14
-
$2,360 NZD
View
Most Expensive
B
Brilliant Earth
21141136A · Nov 6
$3,500 NZD
$1,940 USD
View
14 more retailers have this diamond
Prices start from $554 NZDSave up to $2,946 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
$554 NZD