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Round|Lab Grown|IGI

1.24ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG574326184

Shape and cutting style on the report: Round brilliant

Certificate IGI LG574326184

Diamond specifications and retailer prices

From £137 GBP
As of November 4, 2026
Save £668 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £806 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG574326184 or 574326184. Listed at 15 retailers as of November 4, 2026, with prices from £137 to £806, a £668 spread on the same certified stone. Reve Diamonds lists it at £806. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574326184
Dimensions6.97 × 7.00 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.97 mm7.00 mm1.24 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574326184
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 58.6%

Caratlytics Score

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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 4
Current: £338 GBP|Low: £118 GBP|High: £806 GBP|Avg: £320 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 6, 2026
Retailer 11£118 GBP
Retailer 3£137 GBP
Retailer 7£143 GBP
Retailer 10£153 GBP
Retailer 12£153 GBP
Retailer 2£171 GBP
Retailer 8£214 GBP
Retailer 5£267 GBP
Retailer 4£319 GBP
Retailer 1£338 GBP
Retailer 9£519 GBP
Retailer 6£712 GBP
Reve Diamonds£806 GBP

36 data points across 13 retailers

15 retailers£137 GBP to £806 GBP

Retailer 1
-
£118 GBP
Price last confirmed 29 days ago
A
Retailer 2
-
£137 GBP
View
Final sale: no returns
A
Retailer 3
-
£143 GBP
View
Retailer 4
-
£153 GBP
View
Price last confirmed 29 days ago
Retailer 5
-
£153 GBP
View
Price last confirmed 35 days ago
A
Retailer 6
-
£171 GBP
View
B+
Retailer 7
-
£214 GBP
View
A
Retailer 8
-
£267 GBP
View
B+
Retailer 9
-
£319 GBP
View
B+
Retailer 10
-
£338 GBP
View
Retailer 11
-
£491 GBP
View
Price last confirmed 38 days ago
B
Retailer 12
-
£519 GBP
View
B
Retailer 13
-
£531 GBP
View
B
Retailer 14
-
£712 GBP
View
Most Expensive
B
Reve Diamonds
A78BC9C86 · Nov 6
£806 GBP
$1,085 USD
View
14 more retailers have this diamond
Prices start from £137 GBPSave up to £668 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
£137 GBP