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Round|Lab Grown|IGI

1.24ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG737563651

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737563651

Diamond specifications and retailer prices

From £400 GBP
As of November 6, 2026
5 retailers carry this diamond
Most expensive: £499 GBP at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG737563651 or 737563651. Listed at 5 retailers as of November 6, 2026. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737563651
Dimensions6.95 × 6.89 × 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
6.95 mm6.89 mm1.24 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737563651
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £499 GBP|Low: £114 GBP|High: £734 GBP|Avg: £370 GBP
NZ Jewellers
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
Retailer 15
October 31, 2026
Retailer 3£114 GBP
Retailer 14£132 GBP
Retailer 6£206 GBP
Retailer 4£235 GBP
Retailer 10£272 GBP
Retailer 9£288 GBP
Retailer 12£305 GBP
Retailer 7£342 GBP
Retailer 15£382 GBP
Retailer 2£400 GBP
Retailer 8£424 GBP
NZ Jewellers£499 GBP
Retailer 13£527 GBP
Retailer 5£700 GBP
Retailer 11£734 GBP

13 data points across 15 retailers

5 retailers

Retailer 1
-
£114 GBP
Price last confirmed 39 days ago
Retailer 2
-
£132 GBP
View
Price last confirmed 45 days ago
Retailer 3
-
£342 GBP
View
Price last confirmed 47 days ago
B+
Retailer 4
-
£400 GBP
View
Most Expensive
NZ Jewellers
13ac9c00-10f7-41ce-8f1f-5e626d367f50 · Sep 26
£499 GBP
$671 USD
View
Price last confirmed 40 days ago
4 more retailers have this diamond
Prices start from £400 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+
1.24ct Round
£400 GBP