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Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG660444356

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

Certificate IGI LG660444356

Diamond specifications and retailer prices

From £102 GBP
As of November 6, 2026
Save £949 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,050 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown radiant diamond

This 1.02ct 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 LG660444356 or 660444356. Listed at 22 retailers as of November 1, 2026, with prices from £102 to £1,050, a £949 spread on the same certified stone. MOH London lists it at £1,050. 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660444356
Dimensions7.34 × 4.66 × 3.36 mm
L/W Ratio1.58
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm4.66 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660444356
Side View
Table 66.0%Crown 44.7°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 72.1%

Caratlytics Score

How it works →
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 6
Current: £1,050 GBP|Low: £99 GBP|High: £1,056 GBP|Avg: £304 GBP|+1.4%
MOH London
Retailer 2
Retailer 3
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Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 3£102 GBP
Retailer 6£113 GBP
Retailer 17£118 GBP
Retailer 10£126 GBP
Retailer 19£126 GBP
Retailer 12£162 GBP
Retailer 7£170 GBP
Retailer 13£211 GBP
Retailer 4£217 GBP
Retailer 2£223 GBP
Retailer 15£238 GBP
Retailer 18£310 GBP
Retailer 14£318 GBP
Retailer 16£340 GBP
Retailer 9£347 GBP
Retailer 11£404 GBP
Retailer 5£446 GBP
Retailer 8£738 GBP
MOH London£1,050 GBP

32 data points across 19 retailers

22 retailers£102 GBP to £1,050 GBP

A
Cheapest Retailer
-
£102 GBP
A
Retailer 2
-
£113 GBP
View
Final sale: no returns
A
Retailer 3
-
£118 GBP
View
Retailer 4
-
£126 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£126 GBP
View
A
Retailer 6
-
£143 GBP
View
A
Retailer 7
-
£162 GBP
View
B+
Retailer 8
-
£170 GBP
View
A
Retailer 9
-
£211 GBP
View
A
Retailer 10
-
£217 GBP
View
A
Retailer 11
-
£223 GBP
View
A
Retailer 12
-
£238 GBP
View
B+
Retailer 13
-
£310 GBP
View
B+
Retailer 14
-
£318 GBP
View
B+
Retailer 15
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£340 GBP
View
B+
Retailer 16
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£347 GBP
View
B+
Retailer 17
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£371 GBP
View
B
Retailer 18
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£404 GBP
View
B+
Retailer 19
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£426 GBP
View
B
Retailer 20
-
£446 GBP
View
B
Retailer 21
-
£738 GBP
View
Most Expensive
B
MOH London
LG660444356 · Nov 1
£1,050 GBP
View
21 more retailers have this diamond
Prices start from £102 GBPSave up to £949 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
1.02ct Radiant
£102 GBP