Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG617436553

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

Certificate IGI LG617436553

Diamond specifications and retailer prices

From £93 GBP
As of November 4, 2026
Save £864 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £956 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 LG617436553 or 617436553. Listed at 16 retailers as of November 1, 2026, with prices from £93 to £956, a £864 spread on the same certified stone. MOH London lists it at £956. 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 angle46.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617436553
Dimensions7.32 × 4.87 × 3.26 mm
L/W Ratio1.50
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
7.32 mm4.87 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617436553
Side View
Table 66.0%Crown 46.9°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 66.9%

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: £956 GBP|Low: £93 GBP|High: £968 GBP|Avg: £319 GBP|-1.1%
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
November 5, 2026
Retailer 6£93 GBP
Retailer 10£122 GBP
Retailer 12£149 GBP
Retailer 5£215 GBP
Retailer 8£215 GBP
Retailer 9£217 GBP
Retailer 13£220 GBP
Retailer 2£235 GBP
Retailer 4£356 GBP
Retailer 7£368 GBP
Retailer 11£411 GBP
Retailer 3£426 GBP
MOH London£956 GBP

35 data points across 13 retailers

16 retailers£93 GBP to £956 GBP

A
Cheapest Retailer
-
£93 GBP
Retailer 2
-
£107 GBP
View
Price last confirmed 41 days ago
Retailer 3
-
£121 GBP
View
Price last confirmed 41 days ago
Retailer 4
-
£122 GBP
View
Price last confirmed 13 days ago
Retailer 5
-
£122 GBP
View
Price last confirmed 26 days ago
A
Retailer 6
-
£215 GBP
View
A
Retailer 7
-
£215 GBP
View
A
Retailer 8
-
£217 GBP
View
B+
Retailer 9
-
£220 GBP
View
A
Retailer 10
-
£235 GBP
View
B+
Retailer 11
-
£356 GBP
View
B+
Retailer 12
-
£368 GBP
View
B+
Retailer 13
-
£411 GBP
View
B+
Retailer 14
-
£418 GBP
View
B+
Retailer 15
-
£426 GBP
View
Most Expensive
B
MOH London
LG617436553 · Nov 1
£956 GBP
View
15 more retailers have this diamond
Prices start from £93 GBPSave up to £864 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
£93 GBP