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Radiant|Lab Grown|IGI

0.71ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG577374069

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

Certificate IGI LG577374069

Diamond specifications and retailer prices

From £86 GBP
$114 USD
As of October 27, 2026
Save £800 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £886 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.71ct lab-grown radiant diamond

This 0.71ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577374069 or 577374069. Listed at 10 retailers as of October 26, 2026, with prices from £86 to £886, a £800 spread on the same certified stone. MOH London lists it at £886. 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

0.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577374069
Dimensions6.32 × 4.34 × 2.98 mm
L/W Ratio1.46
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
6.32 mm4.34 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577374069
Side View
Table 62.0%Crown 40.7°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 68.7%

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: Oct 27
Current: £886 GBP|Low: £82 GBP|High: £1,003 GBP|Avg: £393 GBP|-1.0%
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
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Retailer 16
October 29, 2026
Retailer 10£86 GBP
Retailer 14£99 GBP
Retailer 2£191 GBP
Retailer 15£202 GBP
Retailer 12£208 GBP
Retailer 6£276 GBP
Retailer 3£289 GBP
Retailer 13£341 GBP
Retailer 8£368 GBP
Retailer 9£380 GBP
Retailer 11£390 GBP
Retailer 16£480 GBP
Retailer 5£480 GBP
Retailer 4£519 GBP
MOH London£886 GBP
Retailer 7£1,003 GBP

19 data points across 16 retailers

10 retailers£86 GBP to £886 GBP

A
Cheapest Retailer
-
£86 GBP
$114 USD
A
Retailer 2
-
£99 GBP
$132 USD
View
A
Retailer 3
-
£191 GBP
€242 EUR
View
A
Retailer 4
-
£202 GBP
HK$2,100 HKD
View
A
Retailer 5
-
£208 GBP
$277 USD
View
B+
Retailer 6
-
£341 GBP
$454 USD
View
B+
Retailer 7
-
£380 GBP
$506 USD
View
B+
Retailer 8
-
£390 GBP
$520 USD
View
B
Retailer 9
-
£480 GBP
SGD 864 SGD
View
Most Expensive
B
MOH London
LG577374069 · Oct 26
£886 GBP
View
9 more retailers have this diamond
Prices start from £86 GBPSave up to £800 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
0.71ct Radiant
£86 GBP