CaratHunter
Plans
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 $309 USD
£244 GBP
As of November 2, 2026
Save $1,631 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,940 USD at Brilliant Earth · As of October 31, 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 14 retailers as of October 31, 2026, with prices from $309 to $1,940, a $1,631 spread on the same certified stone. Brilliant Earth lists it at $1,940. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,940 USD|Low: $302 USD|High: $1,940 USD|Avg: $798 USD|+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
November 2, 2026
Retailer 2$309 USD
Retailer 14$314 USD
Retailer 10$476 USD
Retailer 13$495 USD
Retailer 8$505 USD
Retailer 7$548 USD
Retailer 11$637 USD
Retailer 6$713 USD
Retailer 4$992 USD
Retailer 5$1,151 USD
Retailer 9$1,172 USD
Retailer 12$1,189 USD
Retailer 3$1,308 USD
Brilliant Earth$1,940 USD

19 data points across 14 retailers

14 retailers$309 USD to $1,940 USD

A
Cheapest Retailer
-
$309 USD
£244 GBP
A
Retailer 2
-
$314 USD
View
Final sale: no returns
A
Retailer 3
-
$476 USD
€453 EUR
View
A
Retailer 4
-
$495 USD
View
A
Retailer 5
-
$505 USD
ZAR 8,157 ZAR
View
A
Retailer 6
-
$548 USD
£432 GBP
View
A
Retailer 7
-
$637 USD
View
Retailer 8
-
$713 USD
A$1,097 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$992 USD
View
B+
Retailer 10
-
$1,151 USD
A$1,771 AUD
View
B+
Retailer 11
-
$1,172 USD
£923 GBP
View
B+
Retailer 12
-
$1,189 USD
View
B
Retailer 13
-
$1,308 USD
View
Most Expensive
B
Brilliant Earth
21141136A · Oct 31
$1,940 USD
View
13 more retailers have this diamond
Prices start from $309 USDSave up to $1,631 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
$309 USD