Radiant|Lab Grown|IGI

8.04ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG620424874

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

Certificate IGI LG620424874

Diamond specifications and retailer prices

From £670 GBP
$899 USD
As of November 2, 2026
Save £4,055 GBP (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,725 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.04ct lab-grown radiant diamond

This 8.04ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620424874 or 620424874. Listed at 14 retailers as of November 2, 2026, with prices from £670 to £4,725, a £4,055 spread on the same certified stone. Brilliant Earth lists it at £4,725. 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

8.04
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620424874
Dimensions14.36 × 9.79 × 6.59 mm
L/W Ratio1.47
Culet sizePointed
Top View
14.36 mm9.79 mm8.04 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620424874
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 35°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £4,725 GBP|Low: £670 GBP|High: £4,725 GBP|Avg: £1,651 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 15£670 GBP
Retailer 11£729 GBP
Retailer 5£777 GBP
Retailer 9£909 GBP
Retailer 7£917 GBP
Retailer 14£930 GBP
Retailer 4£1,186 GBP
Retailer 2£1,196 GBP
Retailer 6£1,247 GBP
Retailer 8£1,312 GBP
Retailer 12£1,729 GBP
Retailer 3£2,185 GBP
Retailer 10£2,639 GBP
Retailer 13£3,301 GBP
Brilliant Earth£4,725 GBP

37 data points across 15 retailers

14 retailers£670 GBP to £4,725 GBP

A
Cheapest Retailer
-
£670 GBP
$899 USD
A
Retailer 2
-
£729 GBP
$978 USD
View
A
Retailer 3
-
£777 GBP
$1,043 USD
View
A
Retailer 4
-
£909 GBP
$1,220 USD
View
Retailer 5
-
£917 GBP
$1,230 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
£1,186 GBP
$1,591 USD
View
A
Retailer 7
-
£1,196 GBP
View
B+
Retailer 8
-
£1,247 GBP
$1,673 USD
View
A
Retailer 9
-
£1,312 GBP
€1,677 EUR
View
B+
Retailer 10
-
£1,729 GBP
$2,320 USD
View
B+
Retailer 11
-
£2,185 GBP
$2,932 USD
View
B
Retailer 12
-
£2,639 GBP
View
B
Retailer 13
-
£3,301 GBP
$4,430 USD
View
Most Expensive
B
Brilliant Earth
9119547A · Nov 2
£4,725 GBP
$6,340 USD
View
13 more retailers have this diamond
Prices start from £670 GBPSave up to £4,055 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
8.04ct Radiant
£670 GBP