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Round|Lab Grown|IGI

1.01ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818658551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818658551

Diamond specifications and retailer prices

From $364 AUD
$256 USD
As of October 28, 2026
Save $1,671 AUD (82%) vs most expensive(unlock to see where)
19 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 LG818658551 or 818658551. Listed at 19 retailers as of October 28, 2026, with prices from $364 to $2,035, a $1,671 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 angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658551
Dimensions6.45 × 6.48 × 3.91 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
6.45 mm6.48 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658551
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.5%

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: Oct 28
Current: $759 AUD|Low: $364 AUD|High: $1,921 AUD|Avg: $1,007 AUD|-4.8%
Retailer 1
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 2$364 AUD
Retailer 5$424 AUD
Retailer 10$572 AUD
Retailer 9$658 AUD
Retailer 7$677 AUD
Retailer 14$685 AUD
Retailer 13$696 AUD
Retailer 1$759 AUD
Retailer 3$881 AUD
Retailer 11$1,308 AUD
Retailer 4$1,378 AUD
Retailer 6$1,423 AUD
Retailer 8$1,632 AUD
Retailer 12$1,834 AUD

28 data points across 14 retailers

19 retailers$364 AUD to $2,035 AUD

A
Retailer 1
-
$342 AUD
$240 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$364 AUD
$256 USD
View
Final sale: no returns
A
Retailer 3
-
$397 AUD
$279 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$424 AUD
$298 USD
View
A
Retailer 5
-
$424 AUD
$298 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$572 AUD
$402 USD
View
A
Retailer 7
-
$658 AUD
£364 GBP
View
A
Retailer 8
-
$677 AUD
€453 EUR
View
A
Retailer 9
-
$685 AUD
$481 USD
View
A
Retailer 10
-
$696 AUD
ZAR 7,904 ZAR
View
A
Retailer 11
-
$759 AUD
£420 GBP
View
B+
Retailer 12
-
$881 AUD
$619 USD
View
B
Retailer 13
-
$1,308 AUD
$919 USD
View
B+
Retailer 14
-
$1,362 AUD
$957 USD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
$1,378 AUD
$968 USD
View
B+
Retailer 16
-
$1,423 AUD
$1,000 USD
View
B+
Retailer 17
-
$1,632 AUD
£903 GBP
View
B
Retailer 18
-
$1,834 AUD
$1,288 USD
View
Most Expensive
B
Brilliant Earth
21694463A · Oct 29
$2,035 AUD
$1,430 USD
View
18 more retailers have this diamond
Prices start from $364 AUDSave up to $1,671 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
$364 AUD