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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 $246 USD
As of October 28, 2026
Save $1,184 USD (83%) vs most expensive(unlock to see where)
23 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 LG818661919 or 818661919. Listed at 23 retailers as of October 28, 2026, with prices from $246 to $1,430, a $1,184 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°
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

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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: $191 USD|High: $1,430 USD|Avg: $675 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
Retailer 14
October 29, 2026
Retailer 14$246 USD
Retailer 6$298 USD
Retailer 8$385 USD
Retailer 7$445 USD
Retailer 2$461 USD
Retailer 12$471 USD
Retailer 13$478 USD
Retailer 11$505 USD
Retailer 3$592 USD
Retailer 9$884 USD
Retailer 5$933 USD
Retailer 4$1,100 USD
Retailer 10$1,260 USD
Brilliant Earth$1,430 USD

37 data points across 14 retailers

23 retailers$246 USD to $1,430 USD

A
Retailer 1
-
$230 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$240 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$246 USD
View
Final sale: no returns
A
Retailer 4
-
$266 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$279 USD
View
Price last confirmed 41 days ago
A
Retailer 6
-
$285 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$285 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$294 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
$296 USD
View
Price last confirmed 48 days ago
A
Retailer 10
-
$385 USD
View
A
Retailer 11
-
$445 USD
£350 GBP
View
A
Retailer 12
-
$461 USD
€439 EUR
View
A
Retailer 13
-
$471 USD
ZAR 7,603 ZAR
View
A
Retailer 14
-
$478 USD
View
A
Retailer 15
-
$505 USD
£398 GBP
View
B+
Retailer 16
-
$592 USD
View
B
Retailer 17
-
$884 USD
View
B
Retailer 18
-
$915 USD
View
Price last confirmed 29 days ago
B+
Retailer 19
-
$933 USD
View
B
Retailer 20
-
$957 USD
View
Price last confirmed 32 days ago
B
Retailer 21
-
$1,100 USD
£866 GBP
View
B
Retailer 22
-
$1,260 USD
View
Most Expensive
B
Brilliant Earth
21241518A · Oct 28
$1,430 USD
View
22 more retailers have this diamond
Prices start from $246 USDSave up to $1,184 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
$246 USD