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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 $296 USD
As of November 1, 2026
Save $1,584 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,880 USD at Brilliant Earth · As of November 2, 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 1, 2026, with prices from $296 to $1,880, a $1,584 spread on the same certified stone. Brilliant Earth lists it at $1,880. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,880 USD|Low: $272 USD|High: $1,880 USD|Avg: $730 USD
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 2, 2026
Retailer 3$296 USD
Retailer 10$325 USD
Retailer 15$455 USD
Retailer 4$473 USD
Retailer 12$479 USD
Retailer 11$518 USD
Retailer 16$530 USD
Retailer 2$649 USD
Retailer 9$746 USD
Retailer 8$908 USD
Retailer 7$945 USD
Retailer 13$1,015 USD
Retailer 14$1,113 USD
Retailer 5$1,130 USD
Retailer 6$1,270 USD
Brilliant Earth$1,880 USD

19 data points across 16 retailers

16 retailers$296 USD to $1,880 USD

A
Cheapest Retailer
-
$296 USD
Final sale: no returns
A
Retailer 2
-
$325 USD
£256 GBP
View
A
Retailer 3
-
$455 USD
€433 EUR
View
A
Retailer 4
-
$473 USD
View
A
Retailer 5
-
$479 USD
ZAR 7,746 ZAR
View
A
Retailer 6
-
$518 USD
£408 GBP
View
A
Retailer 7
-
$530 USD
View
A
Retailer 8
-
$649 USD
A$998 AUD
View
B+
Retailer 9
-
$746 USD
View
B+
Retailer 10
-
$908 USD
A$1,397 AUD
View
B+
Retailer 11
-
$945 USD
View
B+
Retailer 12
-
$1,015 USD
View
B
Retailer 13
-
$1,113 USD
£876 GBP
View
B
Retailer 14
-
$1,130 USD
View
B
Retailer 15
-
$1,270 USD
View
Most Expensive
B
Brilliant Earth
21141146A · Nov 2
$1,880 USD
View
15 more retailers have this diamond
Prices start from $296 USDSave up to $1,584 USD

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
$296 USD