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Radiant|Lab Grown|IGI

0.71ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG607327088

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

Certificate IGI LG607327088

Diamond specifications and retailer prices

From £79 GBP
$106 USD
As of October 30, 2026
Save £809 GBP (91%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £909 GBP at MOH London · As of October 21, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607327088 or 607327088. Listed at 9 retailers as of October 30, 2026, with a 1023% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607327088
Dimensions6.55 × 4.33 × 2.87 mm
L/W Ratio1.51
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
6.55 mm4.33 mm0.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607327088
Side View
Table 62.0%Crown 42.2°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.3%

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: Oct 30
Current: £909 GBP|Low: £76 GBP|High: £915 GBP|Avg: £343 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 19, 2026
Retailer 6£79 GBP
Retailer 9£92 GBP
Retailer 10£145 GBP
Retailer 2£194 GBP
Retailer 8£197 GBP
Retailer 12£204 GBP
Retailer 4£305 GBP
Retailer 7£348 GBP
Retailer 5£352 GBP
Retailer 3£403 GBP
Retailer 11£888 GBP
MOH London£909 GBP

11 data points across 12 retailers

9 retailers£79 GBP to £888 GBP

A
Cheapest Retailer
-
£79 GBP
$106 USD
A
Retailer 2
-
£92 GBP
$123 USD
View
A
Retailer 3
-
£194 GBP
$260 USD
View
A
Retailer 4
-
£197 GBP
$264 USD
View
B+
Retailer 5
-
£305 GBP
View
B+
Retailer 6
-
£348 GBP
$466 USD
View
B+
Retailer 7
-
£352 GBP
$471 USD
View
B
Retailer 8
-
£888 GBP
$1,190 USD
View
Most Expensive
MOH London
LG607327088 · Oct 21
£909 GBP
View
Price last confirmed 11 days ago
8 more retailers have this diamond
Prices start from £79 GBPSave up to £809 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
£79 GBP