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Radiant|Lab Grown|IGI

0.91ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG579379423

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

Certificate IGI LG579379423

Diamond specifications and retailer prices

From £448 GBP
$600 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £448 GBP at Brilliant Earth
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 Brilliant Earth

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG579379423 or 579379423. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579379423
Dimensions6.83 × 4.86 × 3.26 mm
L/W Ratio1.41
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
6.83 mm4.86 mm0.91 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579379423
Side View
Table 60.0%Crown 45.2°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £259 GBP|Low: £64 GBP|High: £602 GBP|Avg: £333 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
June 18, 2026
Retailer 2£180 GBP
Retailer 1£259 GBP
Retailer 4£263 GBP
Retailer 3£264 GBP
Retailer 6£407 GBP
Retailer 5£602 GBP

29 data points across 6 retailers

1 retailer

B
Brilliant Earth
18821921Y · Oct 29
£448 GBP
$600 USD
View

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B
0.91ct Radiant
£448 GBP