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Radiant|Lab Grown|IGI

1.01ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG593372657

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

Certificate IGI LG593372657

Diamond specifications and retailer prices

From £167 GBP
As of November 6, 2026
Save £527 GBP (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £695 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 LG593372657 or 593372657. Listed at 7 retailers as of November 4, 2026, with prices from £167 to £695, a £527 spread on the same certified stone. MOH London lists it at £695. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593372657
Dimensions6.80 × 4.93 × 3.49 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
6.80 mm4.93 mm1.01 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593372657
Side View
Table 67.0%Crown 46°Girdle: Slightly ThickPavilion 36.8°Culet: NoneDepth 70.8%

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 6
Current: £695 GBP|Low: £167 GBP|High: £704 GBP|Avg: £323 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6£167 GBP
Retailer 3£249 GBP
Retailer 2£259 GBP
Retailer 4£291 GBP
Retailer 7£303 GBP
Retailer 5£318 GBP
MOH London£695 GBP

41 data points across 7 retailers

7 retailers£167 GBP to £695 GBP

A
Cheapest Retailer
-
£167 GBP
A
Retailer 2
-
£249 GBP
View
A
Retailer 3
-
£259 GBP
View
Retailer 4
-
£291 GBP
View
Price last confirmed 29 days ago
Retailer 5
-
£303 GBP
View
Price last confirmed 79 days ago
B+
Retailer 6
-
£318 GBP
View
Most Expensive
B
MOH London
LG593372657 · Nov 4
£695 GBP
View
6 more retailers have this diamond
Prices start from £167 GBPSave up to £527 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
£167 GBP