Radiant|Lab Grown|IGI

1.29ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG837604455

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG837604455

Diamond specifications and retailer prices

From £181 GBP
$242 USD
As of October 30, 2026
Save £718 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £899 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837604455 or 837604455. Listed at 11 retailers as of October 30, 2026, with prices from £181 to £899, a £718 spread on the same certified stone. MOH London lists it at £899. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837604455
Dimensions7.84 × 5.33 × 3.53 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.84 mm5.33 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837604455
Side View
Table 65.0%Crown 43.2°Girdle: MediumPavilion 34.6°Culet: NoneDepth 66.2%

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: Oct 30
Current: £899 GBP|Low: £174 GBP|High: £909 GBP|Avg: £535 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7£181 GBP
Retailer 6£210 GBP
Retailer 2£237 GBP
Retailer 3£372 GBP
Retailer 10£460 GBP
Retailer 4£547 GBP
Retailer 8£721 GBP
Retailer 5£723 GBP
Retailer 9£798 GBP
MOH London£899 GBP

33 data points across 10 retailers

11 retailers£181 GBP to £899 GBP

A
Cheapest Retailer
-
£181 GBP
$242 USD
A
Retailer 2
-
£210 GBP
$281 USD
View
A
Retailer 3
-
£237 GBP
View
A
Retailer 4
-
£372 GBP
€475 EUR
View
A
Retailer 5
-
£460 GBP
$617 USD
View
A
Retailer 6
-
£547 GBP
A$1,127 AUD
View
B+
Retailer 7
-
£721 GBP
$966 USD
View
B+
Retailer 8
-
£723 GBP
$969 USD
View
B+
Retailer 9
-
£814 GBP
$1,091 USD
View
B+
Retailer 10
-
£866 GBP
$1,160 USD
View
Most Expensive
B+
MOH London
LG837604455 · Nov 1
£899 GBP
View
10 more retailers have this diamond
Prices start from £181 GBPSave up to £718 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
1.29ct Radiant
£181 GBP