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Round|Lab Grown|IGI

4.01ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG607347259

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607347259

Diamond specifications and retailer prices

From €831 EUR
$928 USD
As of November 1, 2026
Save €1,627 EUR (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,458 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.01ct lab-grown round diamond

This 4.01ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607347259 or 607347259. Listed at 8 retailers as of November 1, 2026, with prices from €831 to €2,458, a €1,627 spread on the same certified stone. MOH London lists it at €2,458. 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
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607347259
Dimensions10.03 × 9.97 × 6.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Indications of post-growth treatment.
Top View
10.03 mm9.97 mm4.01 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607347259
Side View
Table 56.0%Crown 36.4°Girdle: ThickPavilion 40.4°Culet: NoneDepth 63.3%

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: Nov 1
Current: €2,458 EUR|Low: €640 EUR|High: €2,487 EUR|Avg: €1,298 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9€640 EUR
Retailer 8€793 EUR
Retailer 4€831 EUR
Retailer 5€832 EUR
Retailer 6€917 EUR
Retailer 2€1,171 EUR
Retailer 7€2,017 EUR
Retailer 3€2,068 EUR
MOH London€2,458 EUR

18 data points across 9 retailers

8 retailers€831 EUR to €2,458 EUR

B+
Cheapest Retailer
-
€831 EUR
$928 USD
A
Retailer 2
-
€832 EUR
$930 USD
View
A
Retailer 3
-
€917 EUR
$1,025 USD
View
A
Retailer 4
-
€1,171 EUR
ZAR 21,143 ZAR
View
B
Retailer 5
-
€2,017 EUR
$2,254 USD
View
Retailer 6
-
€2,068 EUR
$2,310 USD
View
Price last confirmed 10 days ago
Retailer 7
-
€2,090 EUR
$2,335 USD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
LG607347259 · Nov 1
€2,458 EUR
£2,162 GBP
View
7 more retailers have this diamond
Prices start from €831 EURSave up to €1,627 EUR

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 Round
€831 EUR