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Radiant|Lab Grown|IGI

8.10ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG844627675

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

Certificate IGI LG844627675

Diamond specifications and retailer prices

From £755 GBP
$1,005 USD
As of October 29, 2026
Save £4,299 GBP (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,054 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 8.1ct lab-grown radiant diamond

This 8.1ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844627675 or 844627675. Listed at 3 retailers as of October 28, 2026, with prices from £755 to £5,054, a £4,299 spread on the same certified stone. Brilliant Earth lists it at £5,054. 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

8.10
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844627675
Dimensions14.45 × 9.91 × 6.73 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.45 mm9.91 mm8.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844627675
Side View
Table 67.0%Crown 46.5°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £5,054 GBP|Low: £755 GBP|High: £5,992 GBP|Avg: £2,749 GBP|-15.7%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3£755 GBP
Retailer 2£1,242 GBP
Brilliant Earth£5,054 GBP

17 data points across 3 retailers

3 retailers£755 GBP to £5,054 GBP

A
Cheapest Retailer
-
£755 GBP
$1,005 USD
Final sale: no returns
A
Retailer 2
-
£1,242 GBP
View
Most Expensive
B
Brilliant Earth
21830282A · Oct 28
£5,054 GBP
$6,730 USD
View
2 more retailers have this diamond
Prices start from £755 GBPSave up to £4,299 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
8.10ct Radiant
£755 GBP