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Round|Lab Grown|IGI

1.01ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816612544

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816612544

Diamond specifications and retailer prices

From £162 GBP
$217 USD
As of October 29, 2026
Save £771 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £933 GBP at Brilliant Earth · As of October 30, 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 LG816612544 or 816612544. Listed at 20 retailers as of October 29, 2026, with prices from £162 to £933, a £771 spread on the same certified stone. Brilliant Earth lists it at £933. 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°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612544
Dimensions6.51 × 6.45 × 3.97 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
6.51 mm6.45 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612544
Side View
Table 57.0%Crown 35°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 29
Current: £933 GBP|Low: £162 GBP|High: £1,067 GBP|Avg: £443 GBP|-12.6%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 10£162 GBP
Retailer 5£181 GBP
Retailer 6£188 GBP
Retailer 4£202 GBP
Retailer 12£209 GBP
Retailer 17£284 GBP
Retailer 13£326 GBP
Retailer 15£339 GBP
Retailer 19£346 GBP
Retailer 20£356 GBP
Retailer 14£372 GBP
Retailer 8£432 GBP
Retailer 7£434 GBP
Retailer 2£519 GBP
Retailer 3£647 GBP
Retailer 9£686 GBP
Retailer 11£746 GBP
Retailer 16£810 GBP
Retailer 18£932 GBP
Brilliant Earth£933 GBP

33 data points across 20 retailers

20 retailers£162 GBP to £933 GBP

A
Cheapest Retailer
-
£162 GBP
$217 USD
A
Retailer 2
-
£181 GBP
$242 USD
View
Final sale: no returns
A
Retailer 3
-
£188 GBP
$252 USD
View
A
Retailer 4
-
£202 GBP
$270 USD
View
Retailer 5
-
£209 GBP
$280 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£284 GBP
$380 USD
View
A
Retailer 7
-
£326 GBP
View
A
Retailer 8
-
£339 GBP
€432 EUR
View
A
Retailer 9
-
£346 GBP
ZAR 7,481 ZAR
View
A
Retailer 10
-
£356 GBP
$477 USD
View
A
Retailer 11
-
£372 GBP
View
B+
Retailer 12
-
£432 GBP
$579 USD
View
B+
Retailer 13
-
£434 GBP
$581 USD
View
B+
Retailer 14
-
£519 GBP
$695 USD
View
B+
Retailer 15
-
£647 GBP
$867 USD
View
B
Retailer 16
-
£686 GBP
$919 USD
View
B+
Retailer 17
-
£746 GBP
$1,000 USD
View
B+
Retailer 18
-
£810 GBP
View
B
Retailer 19
-
£932 GBP
$1,249 USD
View
Most Expensive
B
Brilliant Earth
21018519A · Oct 30
£933 GBP
$1,250 USD
View
19 more retailers have this diamond
Prices start from £162 GBPSave up to £771 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
£162 GBP