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Round|Lab Grown|IGI

1.24ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG702507260

Shape and cutting style on the report: Round brilliant

Certificate IGI LG702507260

Diamond specifications and retailer prices

From £132 GBP
As of November 5, 2026
Save £631 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £763 GBP at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG702507260 or 702507260. Listed at 15 retailers as of November 5, 2026, with prices from £132 to £763, a £631 spread on the same certified stone. MOH London lists it at £763. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702507260
Dimensions6.96 × 6.93 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.96 mm6.93 mm1.24 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702507260
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £763 GBP|Low: £127 GBP|High: £775 GBP|Avg: £326 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 12£132 GBP
Retailer 13£153 GBP
Retailer 4£163 GBP
Retailer 5£163 GBP
Retailer 2£282 GBP
Retailer 9£289 GBP
Retailer 8£291 GBP
Retailer 3£295 GBP
Retailer 7£322 GBP
Retailer 14£348 GBP
Retailer 11£364 GBP
Retailer 10£417 GBP
Retailer 6£527 GBP
MOH London£763 GBP

35 data points across 14 retailers

15 retailers£132 GBP to £763 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£153 GBP
View
Retailer 3
-
£163 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£163 GBP
View
A
Retailer 5
-
£282 GBP
View
A
Retailer 6
-
£289 GBP
View
B+
Retailer 7
-
£291 GBP
View
B+
Retailer 8
-
£295 GBP
View
B+
Retailer 9
-
£322 GBP
View
B+
Retailer 10
-
£348 GBP
View
B+
Retailer 11
-
£364 GBP
View
Retailer 12
-
£368 GBP
View
Price last confirmed 33 days ago
B+
Retailer 13
-
£417 GBP
View
B
Retailer 14
-
£527 GBP
View
Most Expensive
B
MOH London
LG702507260 · Nov 5
£763 GBP
View
14 more retailers have this diamond
Prices start from £132 GBPSave up to £631 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
£132 GBP