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Round|Lab Grown|IGI

1.01ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818661919

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818661919

Diamond specifications and retailer prices

From $350 AUD
$246 USD
As of October 28, 2026
Save $1,685 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,035 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818661919 or 818661919. Listed at 23 retailers as of October 28, 2026, with prices from $350 to $2,035, a $1,685 spread on the same certified stone. Brilliant Earth lists it at $2,035. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661919
Dimensions6.47 × 6.43 × 3.94 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
6.47 mm6.43 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661919
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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 28
Current: $2,035 AUD|Low: $272 AUD|High: $2,035 AUD|Avg: $963 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
October 29, 2026
Retailer 14$350 AUD
Retailer 6$424 AUD
Retailer 9$548 AUD
Retailer 8$633 AUD
Retailer 7$656 AUD
Retailer 12$670 AUD
Retailer 13$680 AUD
Retailer 2$721 AUD
Retailer 3$842 AUD
Retailer 10$1,258 AUD
Retailer 5$1,328 AUD
Retailer 4$1,565 AUD
Retailer 11$1,794 AUD
Brilliant Earth$2,035 AUD

36 data points across 14 retailers

23 retailers$350 AUD to $2,035 AUD

Retailer 1
-
$327 AUD
$230 USD
Price last confirmed 19 days ago
Retailer 2
-
$342 AUD
$240 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$350 AUD
$246 USD
View
Final sale: no returns
Retailer 4
-
$379 AUD
$266 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$397 AUD
$279 USD
View
Price last confirmed 42 days ago
Retailer 6
-
$406 AUD
$285 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$406 AUD
$285 USD
View
Price last confirmed 27 days ago
Retailer 8
-
$418 AUD
$294 USD
View
Price last confirmed 35 days ago
Retailer 9
-
$421 AUD
$296 USD
View
Price last confirmed 48 days ago
A
Retailer 10
-
$548 AUD
$385 USD
View
A
Retailer 11
-
$633 AUD
£350 GBP
View
A
Retailer 12
-
$656 AUD
€439 EUR
View
A
Retailer 13
-
$670 AUD
ZAR 7,603 ZAR
View
A
Retailer 14
-
$680 AUD
$478 USD
View
A
Retailer 15
-
$721 AUD
£399 GBP
View
B+
Retailer 16
-
$842 AUD
$592 USD
View
B
Retailer 17
-
$1,258 AUD
$884 USD
View
Retailer 18
-
$1,302 AUD
$915 USD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$1,328 AUD
$933 USD
View
Retailer 20
-
$1,362 AUD
$957 USD
View
Price last confirmed 33 days ago
B
Retailer 21
-
$1,565 AUD
£866 GBP
View
B
Retailer 22
-
$1,794 AUD
$1,260 USD
View
Most Expensive
B
Brilliant Earth
21241518A · Oct 29
$2,035 AUD
$1,430 USD
View
22 more retailers have this diamond
Prices start from $350 AUDSave up to $1,685 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
1.01ct Round
$350 AUD