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Radiant|Lab Grown|IGI

1.01ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG733546187

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

Certificate IGI LG733546187

Diamond specifications and retailer prices

From £216 GBP
As of November 6, 2026
Save £425 GBP (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £641 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733546187 or 733546187. Listed at 8 retailers as of November 4, 2026, with prices from £216 to £641, a £425 spread on the same certified stone. MOH London lists it at £641. 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

1.01
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733546187
Dimensions7.54 × 4.91 × 3.22 mm
L/W Ratio1.54
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm4.91 mm1.01 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733546187
Side View
Table 66.0%Crown 33.1°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £641 GBP|Low: £208 GBP|High: £651 GBP|Avg: £319 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6£216 GBP
Retailer 2£236 GBP
Retailer 3£238 GBP
Retailer 7£253 GBP
Retailer 4£261 GBP
Retailer 8£336 GBP
Retailer 5£376 GBP
MOH London£641 GBP

37 data points across 8 retailers

8 retailers£216 GBP to £641 GBP

A
Cheapest Retailer
-
£216 GBP
A
Retailer 2
-
£236 GBP
View
A
Retailer 3
-
£238 GBP
View
A
Retailer 4
-
£253 GBP
View
A
Retailer 5
-
£261 GBP
View
Retailer 6
-
£336 GBP
View
Price last confirmed 40 days ago
B+
Retailer 7
-
£376 GBP
View
Most Expensive
B
MOH London
LG733546187 · Nov 4
£641 GBP
View
7 more retailers have this diamond
Prices start from £216 GBPSave up to £425 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
1.01ct Radiant
£216 GBP