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Round|Lab Grown|IGI

1.03ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG809647521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809647521

Diamond specifications and retailer prices

From $261 AUD
As of November 5, 2026
Save $2,381 AUD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,643 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809647521 or 809647521. Listed at 21 retailers as of November 5, 2026, with prices from $261 to $2,643, a $2,381 spread on the same certified stone. Brilliant Earth lists it at $2,643. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809647521
Dimensions6.51 × 6.54 × 3.96 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
6.51 mm6.54 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809647521
Side View
Table 57.0%Crown 33.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

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: $2,643 AUD|Low: $261 AUD|High: $2,643 AUD|Avg: $792 AUD|+16.4%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 21
November 6, 2026
Retailer 5$261 AUD
Retailer 3$303 AUD
Retailer 9$324 AUD
Retailer 10$324 AUD
Retailer 11$436 AUD
Retailer 13$519 AUD
Retailer 16$551 AUD
Retailer 18$559 AUD
Retailer 2$577 AUD
Retailer 4$670 AUD
Retailer 19$750 AUD
Retailer 20$770 AUD
Retailer 7$773 AUD
Retailer 17$789 AUD
Retailer 12$886 AUD
Retailer 21$1,031 AUD
Retailer 6$1,041 AUD
Retailer 8$1,117 AUD
Retailer 14$1,293 AUD
Retailer 15$1,508 AUD
Brilliant Earth$2,643 AUD

33 data points across 21 retailers

21 retailers$261 AUD to $2,643 AUD

A
Cheapest Retailer
-
$261 AUD
A
Retailer 2
-
$303 AUD
View
A
Retailer 3
-
$324 AUD
View
Retailer 4
-
$324 AUD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$436 AUD
View
A
Retailer 6
-
$519 AUD
View
A
Retailer 7
-
$551 AUD
View
A
Retailer 8
-
$559 AUD
View
A
Retailer 9
-
$577 AUD
View
B+
Retailer 10
-
$670 AUD
View
B+
Retailer 11
-
$750 AUD
View
B+
Retailer 12
-
$770 AUD
View
B+
Retailer 13
-
$773 AUD
View
B+
Retailer 14
-
$789 AUD
View
B+
Retailer 15
-
$886 AUD
View
Retailer 16
-
$1,031 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$1,041 AUD
View
B
Retailer 18
-
$1,117 AUD
View
Retailer 19
-
$1,293 AUD
View
Price last confirmed 30 days ago
B
Retailer 20
-
$1,508 AUD
View
Most Expensive
B
Brilliant Earth
20204271A · Nov 5
$2,643 AUD
$1,850 USD
View
20 more retailers have this diamond
Prices start from $261 AUDSave up to $2,381 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
1.03ct Round
$261 AUD