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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 £188 GBP
$252 USD
As of October 30, 2026
Save £765 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £953 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 30, 2026, with prices from £188 to £953, a £765 spread on the same certified stone. Reve Diamonds lists it at £953. 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 angle35.2°
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

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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 30
Current: £933 GBP|Low: £188 GBP|High: £1,067 GBP|Avg: £522 GBP|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 30, 2026
Retailer 12£188 GBP
Retailer 8£295 GBP
Retailer 5£339 GBP
Retailer 7£350 GBP
Retailer 11£357 GBP
Retailer 10£360 GBP
Retailer 6£390 GBP
Retailer 2£454 GBP
Retailer 9£675 GBP
Retailer 3£712 GBP
Retailer 4£895 GBP
Retailer 1£933 GBP
Reve Diamonds£953 GBP

35 data points across 13 retailers

21 retailers£188 GBP to £953 GBP

Retailer 1
-
£178 GBP
$238 USD
Price last confirmed 20 days ago
Retailer 2
-
£181 GBP
$242 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£188 GBP
$252 USD
View
Final sale: no returns
Retailer 4
-
£207 GBP
$277 USD
View
Price last confirmed 21 days ago
Retailer 5
-
£221 GBP
$296 USD
View
Price last confirmed 36 days ago
Retailer 6
-
£221 GBP
$296 USD
View
Price last confirmed 18 days ago
Retailer 7
-
£221 GBP
$296 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
£295 GBP
$395 USD
View
A
Retailer 9
-
£339 GBP
View
A
Retailer 10
-
£350 GBP
€447 EUR
View
A
Retailer 11
-
£357 GBP
$479 USD
View
A
Retailer 12
-
£360 GBP
ZAR 7,783 ZAR
View
A
Retailer 13
-
£390 GBP
View
B+
Retailer 14
-
£454 GBP
$608 USD
View
B+
Retailer 15
-
£675 GBP
$905 USD
View
Retailer 16
-
£709 GBP
$950 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
£712 GBP
$954 USD
View
Retailer 18
-
£719 GBP
$964 USD
View
Price last confirmed 33 days ago
Retailer 19
-
£895 GBP
View
Price last confirmed 18 days ago
B
Retailer 20
-
£933 GBP
$1,250 USD
View
Most Expensive
B
Reve Diamonds
8FF34274F · Oct 30
£953 GBP
$1,277 USD
View
20 more retailers have this diamond
Prices start from £188 GBPSave up to £765 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
£188 GBP