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 $799 USD
As of October 29, 2026
Save $2,131 USD (73%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,940 USD 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 29, 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
Color
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

How it works →
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 29
Current: $2,940 USD|Low: $645 USD|High: $3,030 USD|Avg: $1,594 USD|-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 8$799 USD
Retailer 11$805 USD
Retailer 12$987 USD
Retailer 6$1,066 USD
Retailer 10$1,326 USD
Retailer 7$1,385 USD
Retailer 5$1,386 USD
Retailer 2$1,590 USD
Retailer 3$1,935 USD
Retailer 4$2,388 USD
Retailer 9$2,797 USD
Brilliant Earth$2,940 USD

36 data points across 12 retailers

19 retailers$799 USD to $2,930 USD

Retailer 1
-
$537 USD
Price last confirmed 22 days ago
Retailer 2
-
$580 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$666 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$666 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$799 USD
View
Final sale: no returns
A
Retailer 6
-
$805 USD
View
Retailer 7
-
$987 USD
€940 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,066 USD
View
A
Retailer 9
-
$1,326 USD
ZAR 21,425 ZAR
View
B+
Retailer 10
-
$1,385 USD
A$2,131 AUD
View
A
Retailer 11
-
$1,386 USD
View
B+
Retailer 12
-
$1,590 USD
View
Retailer 13
-
$1,720 USD
View
Price last confirmed 14 days ago
Retailer 14
-
$1,753 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$1,935 USD
£1,524 GBP
View
Retailer 16
-
$2,388 USD
View
Price last confirmed 60 days ago
B
Retailer 17
-
$2,797 USD
£2,202 GBP
View
B
Retailer 18
-
$2,930 USD
View
Most Expensive
Brilliant Earth
9047725A · Oct 15
$2,940 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from $799 USDSave up to $2,131 USD

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
$799 USD