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 $252 USD
As of October 28, 2026
Save $1,178 USD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,430 USD at Brilliant Earth · As of October 28, 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 $252 to $1,430, a $1,178 spread on the same certified stone. Brilliant Earth lists it at $1,430. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,430 USD|Low: $252 USD|High: $1,430 USD|Avg: $717 USD
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$252 USD
Retailer 7$395 USD
Retailer 6$455 USD
Retailer 2$469 USD
Retailer 12$479 USD
Retailer 11$482 USD
Retailer 10$519 USD
Retailer 3$608 USD
Retailer 8$905 USD
Retailer 4$954 USD
Retailer 5$1,199 USD
Retailer 9$1,277 USD
Brilliant Earth$1,430 USD

34 data points across 13 retailers

21 retailers$252 USD to $1,430 USD

A
Retailer 1
-
$238 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$242 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$252 USD
View
Final sale: no returns
A
Retailer 4
-
$277 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$296 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$296 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$296 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$395 USD
View
A
Retailer 9
-
$455 USD
£358 GBP
View
A
Retailer 10
-
$469 USD
€447 EUR
View
A
Retailer 11
-
$479 USD
View
A
Retailer 12
-
$482 USD
ZAR 7,783 ZAR
View
A
Retailer 13
-
$519 USD
£409 GBP
View
B+
Retailer 14
-
$608 USD
View
B
Retailer 15
-
$905 USD
View
B
Retailer 16
-
$950 USD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$954 USD
View
B
Retailer 18
-
$964 USD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$1,199 USD
£944 GBP
View
Price last confirmed 17 days ago
B
Retailer 20
-
$1,277 USD
View
Most Expensive
B
Brilliant Earth
21242305A · Oct 28
$1,430 USD
View
20 more retailers have this diamond
Prices start from $252 USDSave up to $1,178 USD

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
$252 USD