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Radiant|Lab Grown|IGI

4.01ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG623440645

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

Certificate IGI LG623440645

Diamond specifications and retailer prices

From $2,674 AUD
£1,479 GBP
As of October 31, 2026
Save $2,721 AUD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,395 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.01ct lab-grown radiant diamond

This 4.01ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623440645 or 623440645. Listed at 5 retailers as of October 31, 2026, with prices from $2,674 to $5,395, a $2,721 spread on the same certified stone. Brilliant Earth lists it at $5,395. 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

4.01
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623440645
Dimensions10.56 × 7.79 × 5.45 mm
L/W Ratio1.36
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
10.56 mm7.79 mm4.01 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623440645
Side View
Table 68.0%Crown 33.6°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,395 AUD|Low: $547 AUD|High: $5,395 AUD|Avg: $2,456 AUD
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
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Retailer 15
September 23, 2026
Retailer 15$547 AUD
Retailer 9$854 AUD
Retailer 10$1,142 AUD
Retailer 8$1,376 AUD
Retailer 5$1,483 AUD
Retailer 11$1,895 AUD
Retailer 3$2,164 AUD
Retailer 7$2,755 AUD
Retailer 13$2,775 AUD
Retailer 14$2,842 AUD
Retailer 2$3,045 AUD
Retailer 12$3,175 AUD
Retailer 4$3,539 AUD
Retailer 6$3,916 AUD
Brilliant Earth$5,395 AUD

2 data points across 15 retailers

5 retailers$2,674 AUD to $5,395 AUD

Retailer 1
-
$2,442 AUD
HK$13,400 HKD
Price last confirmed 58 days ago
B+
Retailer 2
-
$2,674 AUD
£1,479 GBP
View
B+
Retailer 3
-
$3,045 AUD
$2,139 USD
View
Retailer 4
-
$3,175 AUD
$2,230 USD
View
Price last confirmed 53 days ago
Most Expensive
B
Brilliant Earth
16056950A · Oct 31
$5,395 AUD
$3,790 USD
View
4 more retailers have this diamond
Prices start from $2,674 AUDSave up to $2,721 AUD

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.

B+
4.01ct Radiant
$2,674 AUD