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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 $439 AUD
As of November 5, 2026
Save $2,333 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,771 AUD 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 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 4, 2026, with prices from $439 to $2,771, a $2,333 spread on the same certified stone. Brilliant Earth lists it at $2,771. 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

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 5
Current: $2,771 AUD|Low: $431 AUD|High: $2,771 AUD|Avg: $1,148 AUD|+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 5, 2026
Retailer 2$439 AUD
Retailer 4$449 AUD
Retailer 13$679 AUD
Retailer 3$707 AUD
Retailer 12$720 AUD
Retailer 8$781 AUD
Retailer 14$910 AUD
Retailer 10$976 AUD
Retailer 11$1,079 AUD
Retailer 6$1,417 AUD
Retailer 7$1,644 AUD
Retailer 9$1,668 AUD
Retailer 15$1,698 AUD
Retailer 5$1,868 AUD
Brilliant Earth$2,771 AUD

22 data points across 15 retailers

15 retailers$439 AUD to $2,771 AUD

A
Cheapest Retailer
-
$439 AUD
A
Retailer 2
-
$449 AUD
View
Final sale: no returns
A
Retailer 3
-
$679 AUD
View
A
Retailer 4
-
$707 AUD
View
A
Retailer 5
-
$720 AUD
View
A
Retailer 6
-
$781 AUD
View
A
Retailer 7
-
$910 AUD
View
A
Retailer 8
-
$976 AUD
View
B+
Retailer 9
-
$1,079 AUD
View
B+
Retailer 10
-
$1,417 AUD
View
Retailer 11
-
$1,644 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,668 AUD
View
B+
Retailer 13
-
$1,698 AUD
View
B
Retailer 14
-
$1,868 AUD
View
Most Expensive
B
Brilliant Earth
21141136A · Nov 4
$2,771 AUD
$1,940 USD
View
14 more retailers have this diamond
Prices start from $439 AUDSave up to $2,333 AUD

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
$439 AUD