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 $1,418 NZD
$799 USD
As of October 31, 2026
Save $3,781 NZD (73%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,216 NZD 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,216 NZD|Low: $1,311 NZD|High: $5,376 NZD|Avg: $2,831 NZD|-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$1,418 NZD
Retailer 5$1,464 NZD
Retailer 2$1,818 NZD
Retailer 8$1,891 NZD
Retailer 12$2,353 NZD
Retailer 9$2,458 NZD
Retailer 7$2,459 NZD
Retailer 6$2,821 NZD
Retailer 3$3,434 NZD
Retailer 4$4,238 NZD
Retailer 11$4,962 NZD
Brilliant Earth$5,216 NZD

35 data points across 12 retailers

19 retailers$1,418 NZD to $5,199 NZD

Retailer 1
-
$953 NZD
$537 USD
Price last confirmed 25 days ago
Retailer 2
-
$1,029 NZD
$580 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$1,182 NZD
$666 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$1,182 NZD
$666 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$1,418 NZD
$799 USD
View
Final sale: no returns
A
Retailer 6
-
$1,464 NZD
$825 USD
View
A
Retailer 7
-
$1,818 NZD
€976 EUR
View
B+
Retailer 8
-
$1,891 NZD
$1,066 USD
View
A
Retailer 9
-
$2,353 NZD
ZAR 21,425 ZAR
View
B+
Retailer 10
-
$2,458 NZD
A$2,131 AUD
View
A
Retailer 11
-
$2,459 NZD
$1,386 USD
View
B+
Retailer 12
-
$2,821 NZD
$1,590 USD
View
Retailer 13
-
$3,052 NZD
$1,720 USD
View
Price last confirmed 17 days ago
Retailer 14
-
$3,110 NZD
$1,753 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
$3,434 NZD
£1,524 GBP
View
Retailer 16
-
$4,238 NZD
$2,388 USD
View
Price last confirmed 63 days ago
B
Retailer 17
-
$4,962 NZD
£2,202 GBP
View
B
Retailer 18
-
$5,199 NZD
$2,930 USD
View
Most Expensive
Brilliant Earth
9047725A · Oct 15
$5,216 NZD
$2,940 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from $1,418 NZDSave up to $3,781 NZD

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
$1,418 NZD