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Round|Lab Grown|IGI

1.03ct F I1 Round Lab Grown Diamond

ID • F/I1 • IGI LG12463612

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12463612

Diamond specifications and retailer prices

From £232 GBP
$311 USD
As of November 1, 2026
Save £790 GBP (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,022 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG12463612 or 12463612. Listed at 3 retailers as of November 1, 2026, with prices from £232 to £1,022, a £790 spread on the same certified stone. MOH London lists it at £1,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12463612
Dimensions6.49 × 6.53 × 3.93 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
6.49 mm6.53 mm1.03 ctF / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12463612
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £1,022 GBP|Low: £166 GBP|High: £1,034 GBP|Avg: £517 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£232 GBP
Retailer 3£307 GBP
MOH London£1,022 GBP

12 data points across 3 retailers

3 retailers£232 GBP to £1,022 GBP

B+
Cheapest Retailer
-
£232 GBP
$311 USD
B+
Retailer 2
-
£307 GBP
$411 USD
View
Most Expensive
B+
MOH London
LG12463612 · Nov 1
£1,022 GBP
View
2 more retailers have this diamond
Prices start from £232 GBPSave up to £790 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.

B+
1.03ct Round
£232 GBP