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Radiant|Lab Grown|IGI

2.50ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG522252026

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

Certificate IGI LG522252026

Diamond specifications and retailer prices

From £1,599 GBP
$2,140 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: £1,599 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 2.5ct lab-grown radiant diamond

This 2.5ct lab-grown radiant sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522252026 or 522252026. Listed at a single retailer as of November 6, 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

2.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522252026
Dimensions8.79 × 6.89 × 4.45 mm
L/W Ratio1.28
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
8.79 mm6.89 mm2.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522252026
Side View
Table 67.0%Crown 36.3°Girdle: STK-THKPavilion 30°Culet: NoneDepth 64.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £1,599 GBP|Low: £264 GBP|High: £6,397 GBP|Avg: £1,540 GBP|-4.0%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
October 4, 2026
Retailer 6£264 GBP
Retailer 2£519 GBP
Retailer 7£568 GBP
Retailer 4£637 GBP
Retailer 8£694 GBP
Retailer 10£763 GBP
Retailer 9£1,021 GBP
Retailer 11£1,346 GBP
Retailer 5£1,473 GBP
Brilliant Earth£1,599 GBP
Retailer 3£6,347 GBP

76 data points across 11 retailers

1 retailer

B
Brilliant Earth
21204599B · Nov 6
£1,599 GBP
$2,140 USD
View

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B
2.50ct Radiant
£1,599 GBP