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Radiant|Lab Grown|IGI

1.01ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG849638502

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

Certificate IGI LG849638502

Diamond specifications and retailer prices

From £99 GBP
As of November 6, 2026
Save £304 GBP (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £403 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

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 LG849638502 or 849638502. Listed at 3 retailers as of November 6, 2026, with prices from £99 to £403, a £304 spread on the same certified stone. Brilliant Earth lists it at £403. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849638502
Dimensions7.02 × 5.05 × 3.34 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm5.05 mm1.01 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849638502
Side View
Table 66.0%Crown 46.3°Girdle: MediumPavilion 34.4°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £403 GBP|Low: £99 GBP|High: £403 GBP|Avg: £309 GBP
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 2£99 GBP
Retailer 3£231 GBP
Brilliant Earth£403 GBP

7 data points across 3 retailers

3 retailers£99 GBP to £403 GBP

A
Cheapest Retailer
-
£99 GBP
Final sale: no returns
A
Retailer 2
-
£231 GBP
View
Most Expensive
B
Brilliant Earth
22378998A · Nov 6
£403 GBP
$540 USD
View
2 more retailers have this diamond
Prices start from £99 GBPSave up to £304 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
£99 GBP