Round|Lab Grown|IGI

1.01ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818663231

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818663231

Diamond specifications and retailer prices

From $359 AUD
$252 USD
As of October 28, 2026
Save $1,677 AUD (82%) vs most expensive(unlock to see where)
21 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 LG818663231 or 818663231. Listed at 21 retailers as of October 28, 2026, with prices from $359 to $2,035, a $1,677 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 angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663231
Dimensions6.45 × 6.42 × 3.95 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 mm6.42 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663231
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

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 28
Current: $2,035 AUD|Low: $359 AUD|High: $2,035 AUD|Avg: $1,031 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
October 29, 2026
Retailer 13$359 AUD
Retailer 8$562 AUD
Retailer 7$648 AUD
Retailer 6$668 AUD
Retailer 12$682 AUD
Retailer 11$686 AUD
Retailer 2$741 AUD
Retailer 3$865 AUD
Retailer 9$1,288 AUD
Retailer 4$1,358 AUD
Retailer 5$1,706 AUD
Retailer 10$1,818 AUD
Brilliant Earth$2,035 AUD

34 data points across 13 retailers

21 retailers$359 AUD to $2,035 AUD

A
Retailer 1
-
$339 AUD
$238 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$344 AUD
$242 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$359 AUD
$252 USD
View
Final sale: no returns
A
Retailer 4
-
$394 AUD
$277 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$421 AUD
$296 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$421 AUD
$296 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$421 AUD
$296 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$562 AUD
$395 USD
View
A
Retailer 9
-
$648 AUD
£358 GBP
View
A
Retailer 10
-
$668 AUD
€447 EUR
View
A
Retailer 11
-
$682 AUD
$479 USD
View
A
Retailer 12
-
$686 AUD
ZAR 7,783 ZAR
View
A
Retailer 13
-
$741 AUD
£410 GBP
View
B+
Retailer 14
-
$865 AUD
$608 USD
View
B
Retailer 15
-
$1,288 AUD
$905 USD
View
B
Retailer 16
-
$1,352 AUD
$950 USD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$1,358 AUD
$954 USD
View
B
Retailer 18
-
$1,372 AUD
$964 USD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$1,706 AUD
£944 GBP
View
Price last confirmed 17 days ago
B
Retailer 20
-
$1,818 AUD
$1,277 USD
View
Most Expensive
B
Brilliant Earth
21242305A · Oct 29
$2,035 AUD
$1,430 USD
View
20 more retailers have this diamond
Prices start from $359 AUDSave up to $1,677 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
$359 AUD