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Radiant|Lab Grown|IGI

4.24ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG618439172

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

Certificate IGI LG618439172

Diamond specifications and retailer prices

From £596 GBP
$799 USD
As of October 31, 2026
Save £1,590 GBP (73%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,194 GBP at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 4.24ct lab-grown radiant diamond

This 4.24ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618439172 or 618439172. Listed at 19 retailers as of October 31, 2026, with a 267% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.24
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.2°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618439172
Dimensions11.57 × 7.99 × 5.18 mm
L/W Ratio1.45
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
11.57 mm7.99 mm4.24 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618439172
Side View
Table 64.0%Crown 23.2°Girdle: MediumPavilion 34.8°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,194 GBP|Low: £552 GBP|High: £2,261 GBP|Avg: £1,191 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10£596 GBP
Retailer 5£616 GBP
Retailer 2£765 GBP
Retailer 8£796 GBP
Retailer 12£990 GBP
Retailer 9£1,034 GBP
Retailer 7£1,034 GBP
Retailer 6£1,187 GBP
Retailer 3£1,445 GBP
Retailer 4£1,782 GBP
Retailer 11£2,087 GBP
Brilliant Earth£2,194 GBP

35 data points across 12 retailers

19 retailers£596 GBP to £2,187 GBP

Retailer 1
-
£401 GBP
$537 USD
Price last confirmed 24 days ago
Retailer 2
-
£433 GBP
$580 USD
View
Price last confirmed 35 days ago
Retailer 3
-
£497 GBP
$666 USD
View
Price last confirmed 29 days ago
Retailer 4
-
£497 GBP
$666 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£596 GBP
$799 USD
View
Final sale: no returns
A
Retailer 6
-
£616 GBP
$825 USD
View
A
Retailer 7
-
£765 GBP
€976 EUR
View
B+
Retailer 8
-
£796 GBP
$1,066 USD
View
A
Retailer 9
-
£990 GBP
ZAR 21,425 ZAR
View
B+
Retailer 10
-
£1,034 GBP
A$2,131 AUD
View
A
Retailer 11
-
£1,034 GBP
$1,386 USD
View
B+
Retailer 12
-
£1,187 GBP
$1,590 USD
View
Retailer 13
-
£1,284 GBP
$1,720 USD
View
Price last confirmed 16 days ago
Retailer 14
-
£1,308 GBP
$1,753 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
£1,445 GBP
View
Retailer 16
-
£1,782 GBP
$2,388 USD
View
Price last confirmed 62 days ago
B
Retailer 17
-
£2,087 GBP
View
B
Retailer 18
-
£2,187 GBP
$2,930 USD
View
Most Expensive
Brilliant Earth
9047725A · Oct 15
£2,194 GBP
$2,940 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from £596 GBPSave up to £1,590 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
4.24ct Radiant
£596 GBP