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 $1,879 USD
£1,479 GBP
As of October 29, 2026
Save $1,911 USD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,790 USD 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 $1,879 to $3,790, a $1,911 spread on the same certified stone. Brilliant Earth lists it at $3,790. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,790 USD|Low: $384 USD|High: $3,790 USD|Avg: $1,725 USD
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$384 USD
Retailer 9$600 USD
Retailer 10$802 USD
Retailer 8$966 USD
Retailer 5$1,042 USD
Retailer 11$1,331 USD
Retailer 3$1,520 USD
Retailer 7$1,935 USD
Retailer 13$1,950 USD
Retailer 14$1,996 USD
Retailer 2$2,139 USD
Retailer 12$2,230 USD
Retailer 4$2,486 USD
Retailer 6$2,751 USD
Brilliant Earth$3,790 USD

2 data points across 15 retailers

5 retailers$1,879 USD to $3,790 USD

Retailer 1
-
$1,715 USD
HK$13,400 HKD
Price last confirmed 56 days ago
B+
Retailer 2
-
$1,879 USD
£1,479 GBP
View
B+
Retailer 3
-
$2,139 USD
View
Retailer 4
-
$2,230 USD
View
Price last confirmed 51 days ago
Most Expensive
B
Brilliant Earth
16056950A · Oct 29
$3,790 USD
View
4 more retailers have this diamond
Prices start from $1,879 USDSave up to $1,911 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.

B+
4.01ct Radiant
$1,879 USD