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Round|Lab Grown|IGI

3.18ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG508123946

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508123946

Diamond specifications and retailer prices

From €648 EUR
As of November 5, 2026
Save €2,302 EUR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,950 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 3.18ct lab-grown round diamond

This 3.18ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508123946 or 508123946. Listed at 15 retailers as of November 3, 2026, with prices from €648 to €2,950, a €2,302 spread on the same certified stone. MOH London lists it at €2,950. 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

3.18
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508123946
Dimensions9.41 × 9.38 × 5.85 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.41 mm9.38 mm3.18 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508123946
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 5
Current: €2,950 EUR|Low: €648 EUR|High: €2,989 EUR|Avg: €1,542 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9€648 EUR
Retailer 11€724 EUR
Retailer 3€866 EUR
Retailer 6€909 EUR
Retailer 10€1,024 EUR
Retailer 8€1,217 EUR
Retailer 12€1,384 EUR
Retailer 4€1,406 EUR
Retailer 5€1,508 EUR
Retailer 2€1,515 EUR
Retailer 7€1,851 EUR
Retailer 13€2,589 EUR
MOH London€2,950 EUR

19 data points across 13 retailers

15 retailers€648 EUR to €2,950 EUR

A
Cheapest Retailer
-
€648 EUR
A
Retailer 2
-
€705 EUR
View
A
Retailer 3
-
€724 EUR
View
Final sale: no returns
A
Retailer 4
-
€751 EUR
View
Retailer 5
-
€751 EUR
View
Price last confirmed 20 days ago
A
Retailer 6
-
€866 EUR
View
A
Retailer 7
-
€909 EUR
View
B+
Retailer 8
-
€1,024 EUR
View
B+
Retailer 9
-
€1,217 EUR
View
B
Retailer 10
-
€1,384 EUR
View
B+
Retailer 11
-
€1,515 EUR
View
B
Retailer 12
-
€1,851 EUR
View
B
Retailer 13
-
€2,112 EUR
View
B
Retailer 14
-
€2,589 EUR
View
Most Expensive
B
MOH London
LG508123946 · Nov 3
€2,950 EUR
£2,607 GBP
View
14 more retailers have this diamond
Prices start from €648 EURSave up to €2,302 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
3.18ct Round
€648 EUR