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Radiant|Lab Grown|IGI

8.25ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG845648995

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

Certificate IGI LG845648995

Diamond specifications and retailer prices

From £712 GBP
$954 USD
As of October 31, 2026
Save £3,773 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,485 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.25ct lab-grown radiant diamond

This 8.25ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845648995 or 845648995. Listed at 3 retailers as of October 31, 2026, with prices from £712 to £4,485, a £3,773 spread on the same certified stone. Brilliant Earth lists it at £4,485. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

8.25
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845648995
Dimensions14.35 × 9.94 × 6.58 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.35 mm9.94 mm8.25 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845648995
Side View
Table 66.0%Crown 47.3°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £4,485 GBP|Low: £712 GBP|High: £4,485 GBP|Avg: £2,352 GBP
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£712 GBP
Retailer 2£1,162 GBP
Brilliant Earth£4,485 GBP

15 data points across 3 retailers

3 retailers£712 GBP to £4,485 GBP

A
Cheapest Retailer
-
£712 GBP
$954 USD
Final sale: no returns
A
Retailer 2
-
£1,162 GBP
View
Most Expensive
B
Brilliant Earth
22149709A · Oct 31
£4,485 GBP
$6,010 USD
View
2 more retailers have this diamond
Prices start from £712 GBPSave up to £3,773 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
8.25ct Radiant
£712 GBP