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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG833624715

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

Certificate IGI LG833624715

Diamond specifications and retailer prices

From £106 GBP
$141 USD
As of October 30, 2026
Save £509 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £615 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct 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 LG833624715 or 833624715. Listed at 10 retailers as of October 29, 2026, with prices from £106 to £615, a £509 spread on the same certified stone. MOH London lists it at £615. 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

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833624715
Dimensions7.22 × 5.09 × 3.36 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm5.09 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833624715
Side View
Table 65.0%Crown 44.3°Girdle: MediumPavilion 35.8°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £615 GBP|Low: £101 GBP|High: £1,068 GBP|Avg: £357 GBP|-42.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5£106 GBP
Retailer 9£122 GBP
Retailer 3£171 GBP
Retailer 2£232 GBP
Retailer 10£372 GBP
Retailer 7£421 GBP
Retailer 6£443 GBP
Retailer 8£444 GBP
Retailer 4£445 GBP
MOH London£615 GBP

26 data points across 10 retailers

10 retailers£106 GBP to £615 GBP

A
Cheapest Retailer
-
£106 GBP
$141 USD
A
Retailer 2
-
£122 GBP
$163 USD
View
Retailer 3
-
£171 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£232 GBP
€294 EUR
View
B+
Retailer 5
-
£372 GBP
$496 USD
View
B
Retailer 6
-
£421 GBP
$560 USD
View
B+
Retailer 7
-
£443 GBP
$590 USD
View
Retailer 8
-
£444 GBP
SGD 799 SGD
View
Price last confirmed 17 days ago
B
Retailer 9
-
£445 GBP
$592 USD
View
Most Expensive
B
MOH London
LG833624715 · Oct 29
£615 GBP
View
9 more retailers have this diamond
Prices start from £106 GBPSave up to £509 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
1.05ct Radiant
£106 GBP