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Round|Lab Grown|IGI

1.24ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG782649765

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782649765

Diamond specifications and retailer prices

From £199 GBP
As of November 6, 2026
Save £486 GBP (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £685 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG782649765 or 782649765. Listed at 11 retailers as of November 2, 2026, with prices from £199 to £685, a £486 spread on the same certified stone. MOH London lists it at £685. 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

1.24
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782649765
Dimensions6.96 × 6.92 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.96 mm6.92 mm1.24 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782649765
Side View
Table 57.0%Crown 32.8°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.6%

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: Nov 6
Current: £685 GBP|Low: £114 GBP|High: £694 GBP|Avg: £314 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£118 GBP
Retailer 8£137 GBP
Retailer 7£146 GBP
Retailer 4£199 GBP
Retailer 2£253 GBP
Retailer 10£285 GBP
Retailer 3£345 GBP
Retailer 9£471 GBP
Retailer 5£498 GBP
MOH London£685 GBP

43 data points across 10 retailers

11 retailers£199 GBP to £685 GBP

Retailer 1
-
£118 GBP
Price last confirmed 11 days ago
Retailer 2
-
£137 GBP
View
Price last confirmed 10 days ago
Retailer 3
-
£146 GBP
View
Price last confirmed 10 days ago
B+
Retailer 4
-
£199 GBP
View
A
Retailer 5
-
£253 GBP
View
A
Retailer 6
-
£285 GBP
View
B+
Retailer 7
-
£345 GBP
View
Retailer 8
-
£471 GBP
View
Price last confirmed 10 days ago
B
Retailer 9
-
£498 GBP
View
B
Retailer 10
-
£512 GBP
View
Most Expensive
B
MOH London
LG782649765 · Nov 2
£685 GBP
View
10 more retailers have this diamond
Prices start from £199 GBPSave up to £486 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
1.24ct Round
£199 GBP