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Round|Lab Grown|IGI

1.20ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG830624065

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830624065

Diamond specifications and retailer prices

From $398 AUD
As of November 4, 2026
Save $1,969 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,366 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624065 or 830624065. Listed at 16 retailers as of November 4, 2026, with prices from $398 to $2,366, a $1,969 spread on the same certified stone. Brilliant Earth lists it at $2,366. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624065
Dimensions6.86 × 6.81 × 4.16 mm
L/W Ratio1.01
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
6.86 mm6.81 mm1.20 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624065
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 4
Current: $2,366 AUD|Low: $398 AUD|High: $3,378 AUD|Avg: $1,204 AUD|-30.0%
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 5, 2026
Retailer 10$398 AUD
Retailer 3$412 AUD
Retailer 8$446 AUD
Retailer 5$677 AUD
Retailer 11$737 AUD
Retailer 13$740 AUD
Retailer 4$770 AUD
Retailer 2$827 AUD
Retailer 14$902 AUD
Retailer 15$1,353 AUD
Retailer 7$1,441 AUD
Retailer 16$1,488 AUD
Retailer 6$1,565 AUD
Retailer 9$1,759 AUD
Retailer 12$1,917 AUD
Brilliant Earth$2,366 AUD

38 data points across 16 retailers

16 retailers$398 AUD to $2,366 AUD

A
Cheapest Retailer
-
$398 AUD
Final sale: no returns
A
Retailer 2
-
$412 AUD
View
Retailer 3
-
$446 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$677 AUD
View
A
Retailer 5
-
$737 AUD
View
A
Retailer 6
-
$740 AUD
View
A
Retailer 7
-
$770 AUD
View
B+
Retailer 8
-
$827 AUD
View
B+
Retailer 9
-
$902 AUD
View
B
Retailer 10
-
$1,353 AUD
View
B+
Retailer 11
-
$1,441 AUD
View
B+
Retailer 12
-
$1,488 AUD
View
B+
Retailer 13
-
$1,565 AUD
View
B
Retailer 14
-
$1,759 AUD
View
B
Retailer 15
-
$1,917 AUD
View
Most Expensive
B
Brilliant Earth
21434563A · Nov 4
$2,366 AUD
$1,660 USD
View
15 more retailers have this diamond
Prices start from $398 AUDSave up to $1,969 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
1.20ct Round
$398 AUD