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Round|Lab Grown|IGI

1.01ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816624909

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816624909

Diamond specifications and retailer prices

From £166 GBP
$221 USD
As of October 29, 2026
Save £908 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,074 GBP 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 LG816624909 or 816624909. Listed at 20 retailers as of October 29, 2026, with prices from £166 to £1,074, a £908 spread on the same certified stone. Brilliant Earth lists it at £1,074. 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 angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624909
Dimensions6.47 × 6.44 × 3.99 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
6.47 mm6.44 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624909
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: £1,074 GBP|Low: £165 GBP|High: £1,074 GBP|Avg: £475 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 12
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Retailer 19
Retailer 20
October 30, 2026
Retailer 10£166 GBP
Retailer 5£185 GBP
Retailer 6£192 GBP
Retailer 4£206 GBP
Retailer 11£214 GBP
Retailer 16£289 GBP
Retailer 2£333 GBP
Retailer 14£346 GBP
Retailer 19£353 GBP
Retailer 20£359 GBP
Retailer 13£382 GBP
Retailer 8£438 GBP
Retailer 7£444 GBP
Retailer 3£662 GBP
Retailer 17£664 GBP
Retailer 9£701 GBP
Retailer 12£751 GBP
Retailer 15£829 GBP
Retailer 18£946 GBP
Brilliant Earth£1,074 GBP

31 data points across 20 retailers

20 retailers£166 GBP to £1,074 GBP

A+
Cheapest Retailer
-
£166 GBP
$221 USD
A
Retailer 2
-
£185 GBP
$246 USD
View
Final sale: no returns
A
Retailer 3
-
£192 GBP
$256 USD
View
A
Retailer 4
-
£206 GBP
$274 USD
View
A
Retailer 5
-
£214 GBP
$285 USD
View
A
Retailer 6
-
£289 GBP
$385 USD
View
A
Retailer 7
-
£333 GBP
View
A
Retailer 8
-
£346 GBP
€439 EUR
View
A
Retailer 9
-
£353 GBP
ZAR 7,603 ZAR
View
A
Retailer 10
-
£359 GBP
$478 USD
View
A
Retailer 11
-
£382 GBP
View
B+
Retailer 12
-
£438 GBP
$583 USD
View
B+
Retailer 13
-
£444 GBP
$592 USD
View
B+
Retailer 14
-
£662 GBP
$881 USD
View
B
Retailer 15
-
£664 GBP
$884 USD
View
B+
Retailer 16
-
£701 GBP
$933 USD
View
B+
Retailer 17
-
£751 GBP
$1,000 USD
View
B+
Retailer 18
-
£829 GBP
View
B
Retailer 19
-
£946 GBP
$1,260 USD
View
Most Expensive
B
Brilliant Earth
21018675A · Oct 29
£1,074 GBP
$1,430 USD
View
19 more retailers have this diamond
Prices start from £166 GBPSave up to £908 GBP

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
£166 GBP