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Round|Lab Grown|IGI

1.01ct E I1 Round Lab Grown Diamond

ID • E/I1 • IGI LG12450811

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12450811

Diamond specifications and retailer prices

From £230 GBP
$308 USD
As of October 30, 2026
Save £794 GBP (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,024 GBP at MOH London · As of October 29, 2026
View at MOH London

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 I1 clarity (included), with a top-tier cut grade and certified by IGI LG12450811 or 12450811. Listed at 3 retailers as of October 29, 2026, with prices from £230 to £1,024, a £794 spread on the same certified stone. MOH London lists it at £1,024. 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
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12450811
Dimensions6.44 × 6.50 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.44 mm6.50 mm1.01 ctE / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12450811
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,024 GBP|Low: £166 GBP|High: £1,030 GBP|Avg: £513 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 2£230 GBP
Retailer 3£306 GBP
MOH London£1,024 GBP

9 data points across 3 retailers

3 retailers£230 GBP to £1,024 GBP

A
Cheapest Retailer
-
£230 GBP
$308 USD
B+
Retailer 2
-
£306 GBP
$410 USD
View
Most Expensive
B
MOH London
LG12450811 · Oct 29
£1,024 GBP
View
2 more retailers have this diamond
Prices start from £230 GBPSave up to £794 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
£230 GBP