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Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG720539045

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720539045

Diamond specifications and retailer prices

From $282 AUD
$198 USD
As of October 29, 2026
Save $1,408 AUD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,879 AUD at Brilliant Earth · As of October 21, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG720539045 or 720539045. Listed at 24 retailers as of October 29, 2026, with a 499% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720539045
Dimensions6.53 × 6.52 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.53 mm6.52 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720539045
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.4%

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: Oct 29
Current: $1,879 AUD|Low: $282 AUD|High: $1,879 AUD|Avg: $771 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 6$282 AUD
Retailer 2$316 AUD
Retailer 22$327 AUD
Retailer 4$349 AUD
Retailer 21$349 AUD
Retailer 8$473 AUD
Retailer 13$565 AUD
Retailer 17$587 AUD
Retailer 19$600 AUD
Retailer 16$638 AUD
Retailer 12$688 AUD
Retailer 7$690 AUD
Retailer 15$766 AUD
Retailer 3$843 AUD
Retailer 20$854 AUD
Retailer 11$951 AUD
Retailer 18$1,109 AUD
Retailer 5$1,123 AUD
Retailer 14$1,199 AUD
Retailer 10$1,641 AUD
Retailer 9$1,689 AUD
Brilliant Earth$1,879 AUD

26 data points across 22 retailers

24 retailers$282 AUD to $1,689 AUD

A
Cheapest Retailer
-
$282 AUD
$198 USD
A
Retailer 2
-
$316 AUD
$222 USD
View
Final sale: no returns
A
Retailer 3
-
$327 AUD
$230 USD
View
A
Retailer 4
-
$349 AUD
$245 USD
View
A
Retailer 5
-
$349 AUD
$245 USD
View
A
Retailer 6
-
$401 AUD
HK$2,200 HKD
View
A
Retailer 7
-
$473 AUD
$332 USD
View
A
Retailer 8
-
$565 AUD
£313 GBP
View
A
Retailer 9
-
$587 AUD
€393 EUR
View
A
Retailer 10
-
$600 AUD
ZAR 6,808 ZAR
View
A
Retailer 11
-
$638 AUD
£353 GBP
View
A
Retailer 12
-
$688 AUD
$483 USD
View
A
Retailer 13
-
$690 AUD
$485 USD
View
B+
Retailer 14
-
$766 AUD
View
Retailer 15
-
$843 AUD
$592 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$854 AUD
View
B+
Retailer 17
-
$895 AUD
$629 USD
View
B+
Retailer 18
-
$951 AUD
SGD 903 SGD
View
B+
Retailer 19
-
$1,109 AUD
View
B+
Retailer 20
-
$1,123 AUD
$789 USD
View
B+
Retailer 21
-
$1,199 AUD
$842 USD
View
B
Retailer 22
-
$1,641 AUD
£908 GBP
View
B
Retailer 23
-
$1,689 AUD
$1,187 USD
View
Most Expensive
Brilliant Earth
15534529A · Oct 21
$1,879 AUD
$1,320 USD
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $282 AUDSave up to $1,408 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
$282 AUD