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Round|Lab Grown|IGI

1.30ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG758503863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758503863

Diamond specifications and retailer prices

From £284 GBP
As of November 6, 2026
Save £503 GBP (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £787 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758503863 or 758503863. Listed at 7 retailers as of November 5, 2026, with prices from £284 to £787, a £503 spread on the same certified stone. MOH London lists it at £787. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758503863
Dimensions6.95 × 6.92 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.92 mm1.30 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758503863
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £787 GBP|Low: £245 GBP|High: £798 GBP|Avg: £384 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£284 GBP
Retailer 6£296 GBP
Retailer 3£301 GBP
Retailer 4£349 GBP
Retailer 7£371 GBP
Retailer 5£411 GBP
MOH London£787 GBP

38 data points across 7 retailers

7 retailers£284 GBP to £787 GBP

A
Cheapest Retailer
-
£284 GBP
A
Retailer 2
-
£296 GBP
View
A
Retailer 3
-
£301 GBP
View
A
Retailer 4
-
£349 GBP
View
B+
Retailer 5
-
£371 GBP
View
B+
Retailer 6
-
£411 GBP
View
Most Expensive
B
MOH London
LG758503863 · Nov 5
£787 GBP
View
6 more retailers have this diamond
Prices start from £284 GBPSave up to £503 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
1.30ct Round
£284 GBP