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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 $431 AUD
As of November 6, 2026
Save $2,305 AUD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,736 AUD 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 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 6, 2026, with prices from $431 to $2,736, a $2,305 spread on the same certified stone. Brilliant Earth lists it at $2,736. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,736 AUD|Low: $396 AUD|High: $2,736 AUD|Avg: $1,086 AUD
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 6, 2026
Retailer 3$431 AUD
Retailer 10$469 AUD
Retailer 9$659 AUD
Retailer 2$684 AUD
Retailer 4$688 AUD
Retailer 11$744 AUD
Retailer 16$771 AUD
Retailer 12$943 AUD
Retailer 13$1,086 AUD
Retailer 8$1,322 AUD
Retailer 7$1,375 AUD
Retailer 14$1,477 AUD
Retailer 15$1,618 AUD
Retailer 5$1,645 AUD
Retailer 6$1,848 AUD
Brilliant Earth$2,736 AUD

23 data points across 16 retailers

16 retailers$431 AUD to $2,736 AUD

A
Cheapest Retailer
-
$431 AUD
Final sale: no returns
A
Retailer 2
-
$469 AUD
View
A
Retailer 3
-
$659 AUD
View
A
Retailer 4
-
$684 AUD
View
A
Retailer 5
-
$688 AUD
View
A
Retailer 6
-
$744 AUD
View
A
Retailer 7
-
$771 AUD
View
A
Retailer 8
-
$943 AUD
View
B+
Retailer 9
-
$1,086 AUD
View
Retailer 10
-
$1,322 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,375 AUD
View
B+
Retailer 12
-
$1,477 AUD
View
B
Retailer 13
-
$1,618 AUD
View
B
Retailer 14
-
$1,645 AUD
View
B
Retailer 15
-
$1,848 AUD
View
Most Expensive
B
Brilliant Earth
21141146A · Nov 6
$2,736 AUD
$1,880 USD
View
15 more retailers have this diamond
Prices start from $431 AUDSave up to $2,305 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
$431 AUD