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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 $3,333 NZD
£1,479 GBP
As of October 31, 2026
Save $3,391 NZD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,725 NZD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $3,333 to $6,725, a $3,391 spread on the same certified stone. Brilliant Earth lists it at $6,725. 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: $6,725 NZD|Low: $681 NZD|High: $6,725 NZD|Avg: $3,061 NZD
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
September 23, 2026
Retailer 15$681 NZD
Retailer 9$1,065 NZD
Retailer 10$1,423 NZD
Retailer 8$1,715 NZD
Retailer 5$1,848 NZD
Retailer 11$2,362 NZD
Retailer 3$2,697 NZD
Retailer 7$3,434 NZD
Retailer 13$3,459 NZD
Retailer 14$3,542 NZD
Retailer 2$3,795 NZD
Retailer 12$3,957 NZD
Retailer 4$4,411 NZD
Retailer 6$4,881 NZD
Brilliant Earth$6,725 NZD

2 data points across 15 retailers

5 retailers$3,333 NZD to $6,725 NZD

Retailer 1
-
$3,043 NZD
HK$13,400 HKD
Price last confirmed 58 days ago
B+
Retailer 2
-
$3,333 NZD
£1,479 GBP
View
B+
Retailer 3
-
$3,795 NZD
$2,139 USD
View
Retailer 4
-
$3,957 NZD
$2,230 USD
View
Price last confirmed 53 days ago
Most Expensive
B
Brilliant Earth
16056950A · Oct 29
$6,725 NZD
$3,790 USD
View
4 more retailers have this diamond
Prices start from $3,333 NZDSave up to $3,391 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.

B+
4.01ct Radiant
$3,333 NZD