Radiant|Lab Grown|IGI

4.01ct I VS2 Radiant Lab Grown Diamond

EX • I/VS2 • IGI LG571306564

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

Certificate IGI LG571306564

Diamond specifications and retailer prices

From $879 USD
As of October 29, 2026
Save $3,071 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,950 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571306564 or 571306564. Listed at 12 retailers as of October 29, 2026, with prices from $879 to $3,950, a $3,071 spread on the same certified stone. Brilliant Earth lists it at $3,950. 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
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle27.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571306564
Dimensions11.10 × 7.62 × 5.09 mm
L/W Ratio1.46
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
11.10 mm7.62 mm4.01 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571306564
Side View
Table 61.5%Crown 37.6°Girdle: MED-STKPavilion 27.1°Culet: NoneDepth 66.8%

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: $3,950 USD|Low: $627 USD|High: $4,150 USD|Avg: $2,124 USD|-4.8%
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 29, 2026
Retailer 10$879 USD
Retailer 12$992 USD
Retailer 7$995 USD
Retailer 4$1,038 USD
Retailer 5$1,229 USD
Retailer 9$1,263 USD
Retailer 6$1,515 USD
Retailer 11$2,774 USD
Retailer 8$3,565 USD
Retailer 3$3,590 USD
Retailer 2$3,792 USD
Brilliant Earth$3,950 USD

23 data points across 12 retailers

12 retailers$879 USD to $3,950 USD

A
Cheapest Retailer
-
$879 USD
Final sale: no returns
A
Retailer 2
-
$992 USD
View
A
Retailer 3
-
$995 USD
View
A
Retailer 4
-
$1,229 USD
HK$9,600 HKD
View
B+
Retailer 5
-
$1,263 USD
View
B+
Retailer 6
-
$1,515 USD
€1,443 EUR
View
B
Retailer 7
-
$2,774 USD
£2,184 GBP
View
B
Retailer 8
-
$2,829 USD
View
B
Retailer 9
-
$3,565 USD
SGD 4,818 SGD
View
B
Retailer 10
-
$3,590 USD
View
B
Retailer 11
-
$3,792 USD
£2,986 GBP
View
Most Expensive
B
Brilliant Earth
8901530A · Oct 29
$3,950 USD
View
11 more retailers have this diamond
Prices start from $879 USDSave up to $3,071 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
4.01ct Radiant
$879 USD