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Radiant|Lab Grown|IGI

1.19ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG655421902

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

Certificate IGI LG655421902

Diamond specifications and retailer prices

From £95 GBP
As of November 6, 2026
Save £885 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £980 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.19ct lab-grown radiant diamond

This 1.19ct lab-grown radiant 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 LG655421902 or 655421902. Listed at 15 retailers as of November 5, 2026, with prices from £95 to £980, a £885 spread on the same certified stone. MOH London lists it at £980. 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

1.19
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655421902
Dimensions7.62 × 5.15 × 3.47 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.62 mm5.15 mm1.19 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655421902
Side View
Table 66.0%Crown 46.3°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £980 GBP|Low: £95 GBP|High: £988 GBP|Avg: £320 GBP|-0.8%
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
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Retailer 17
November 6, 2026
Retailer 14£95 GBP
Retailer 7£110 GBP
Retailer 15£118 GBP
Retailer 6£134 GBP
Retailer 10£152 GBP
Retailer 11£194 GBP
Retailer 2£212 GBP
Retailer 4£226 GBP
Retailer 5£229 GBP
Retailer 3£277 GBP
Retailer 16£308 GBP
Retailer 12£329 GBP
Retailer 17£378 GBP
Retailer 13£400 GBP
Retailer 8£521 GBP
Retailer 9£725 GBP
MOH London£980 GBP

10 data points across 17 retailers

15 retailers£95 GBP to £980 GBP

A
Cheapest Retailer
-
£95 GBP
A
Retailer 2
-
£110 GBP
View
A
Retailer 3
-
£118 GBP
View
A
Retailer 4
-
£134 GBP
View
A
Retailer 5
-
£152 GBP
View
A
Retailer 6
-
£194 GBP
View
A
Retailer 7
-
£212 GBP
View
B+
Retailer 8
-
£226 GBP
View
A
Retailer 9
-
£229 GBP
View
A
Retailer 10
-
£277 GBP
View
A
Retailer 11
-
£308 GBP
View
A
Retailer 12
-
£329 GBP
View
B+
Retailer 13
-
£378 GBP
View
B+
Retailer 14
-
£400 GBP
View
Most Expensive
B
MOH London
LG655421902 · Nov 5
£980 GBP
View
14 more retailers have this diamond
Prices start from £95 GBPSave up to £885 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
1.19ct Radiant
£95 GBP