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Radiant|Lab Grown|IGI

0.71ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG648427253

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

Certificate IGI LG648427253

Diamond specifications and retailer prices

From £368 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £368 GBP at MD Diamonds and Jewellers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at MD Diamonds and Jewellers

About this 0.71ct lab-grown radiant diamond

This 0.71ct lab-grown radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648427253 or 648427253. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648427253
Dimensions6.34 × 4.49 × 2.93 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.34 mm4.49 mm0.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648427253
Side View
Table 65.0%Crown 43.2°Girdle: ThinPavilion 35.2°Culet: NoneDepth 65.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £368 GBP|Low: £127 GBP|High: £418 GBP|Avg: £281 GBP
MD Diamonds and Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
April 4, 2026
Retailer 6£143 GBP
Retailer 2£156 GBP
Retailer 5£188 GBP
Retailer 8£218 GBP
Retailer 4£251 GBP
MD Diamonds and Jewellers£368 GBP
Retailer 3£417 GBP
Retailer 7£418 GBP

18 data points across 8 retailers

1 retailer

B
MD Diamonds and Jewellers
LG648427253 · Nov 2
£368 GBP
View

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.

B
0.71ct Radiant
£368 GBP