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Round|Lab Grown|IGI

1.01ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818663233

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818663233

Diamond specifications and retailer prices

From £189 GBP
$252 USD
As of October 28, 2026
Save £885 GBP (82%) vs most expensive(unlock to see where)
22 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 LG818663233 or 818663233. Listed at 22 retailers as of October 28, 2026, with prices from £189 to £1,074, a £885 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 angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663233
Dimensions6.46 × 6.44 × 3.93 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
6.46 mm6.44 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663233
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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: £1,074 GBP|Low: £189 GBP|High: £1,074 GBP|Avg: £528 GBP
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 30, 2026
Retailer 13£189 GBP
Retailer 8£297 GBP
Retailer 2£341 GBP
Retailer 7£352 GBP
Retailer 12£360 GBP
Retailer 11£362 GBP
Retailer 6£392 GBP
Retailer 3£456 GBP
Retailer 9£680 GBP
Retailer 4£716 GBP
Retailer 5£891 GBP
Retailer 10£959 GBP
Brilliant Earth£1,074 GBP

34 data points across 13 retailers

22 retailers£189 GBP to £1,074 GBP

Retailer 1
-
£179 GBP
$238 USD
Price last confirmed 19 days ago
Retailer 2
-
£182 GBP
$242 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£189 GBP
$252 USD
View
Final sale: no returns
Retailer 4
-
£208 GBP
$277 USD
View
Price last confirmed 20 days ago
Retailer 5
-
£222 GBP
$296 USD
View
Price last confirmed 48 days ago
Retailer 6
-
£222 GBP
$296 USD
View
Price last confirmed 35 days ago
Retailer 7
-
£222 GBP
$296 USD
View
Price last confirmed 17 days ago
Retailer 8
-
£222 GBP
$296 USD
View
Price last confirmed 27 days ago
A
Retailer 9
-
£297 GBP
$395 USD
View
A
Retailer 10
-
£341 GBP
View
A
Retailer 11
-
£352 GBP
€447 EUR
View
A
Retailer 12
-
£360 GBP
$479 USD
View
A
Retailer 13
-
£362 GBP
ZAR 7,783 ZAR
View
A
Retailer 14
-
£392 GBP
View
B+
Retailer 15
-
£456 GBP
$608 USD
View
B
Retailer 16
-
£680 GBP
$905 USD
View
Retailer 17
-
£713 GBP
$950 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
£716 GBP
$954 USD
View
Retailer 19
-
£724 GBP
$964 USD
View
Price last confirmed 33 days ago
B
Retailer 20
-
£891 GBP
View
B
Retailer 21
-
£959 GBP
$1,277 USD
View
Most Expensive
B
Brilliant Earth
21242334A · Oct 29
£1,074 GBP
$1,430 USD
View
21 more retailers have this diamond
Prices start from £189 GBPSave up to £885 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
£189 GBP