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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 $1,018 CAD
$727 USD
As of October 29, 2026
Save $3,624 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,641 CAD at MOH London · As of October 26, 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 October 26, 2026, with prices from $1,018 to $4,641, a $3,624 spread on the same certified stone. MOH London lists it at $4,641. 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
Color
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: Oct 29
Current: $4,641 CAD|Low: $1,018 CAD|High: $4,696 CAD|Avg: $2,437 CAD|-0.9%
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
October 28, 2026
Retailer 8$1,018 CAD
Retailer 11$1,138 CAD
Retailer 3$1,362 CAD
Retailer 2$1,428 CAD
Retailer 10$1,608 CAD
Retailer 7$1,912 CAD
Retailer 12$2,174 CAD
Retailer 4$2,209 CAD
Retailer 5$2,370 CAD
Retailer 6$2,907 CAD
Retailer 9$3,835 CAD
Retailer 13$4,068 CAD
MOH London$4,641 CAD

19 data points across 13 retailers

15 retailers$1,018 CAD to $4,641 CAD

A
Cheapest Retailer
-
$1,018 CAD
$727 USD
A
Retailer 2
-
$1,107 CAD
$791 USD
View
A
Retailer 3
-
$1,138 CAD
$813 USD
View
Final sale: no returns
A
Retailer 4
-
$1,180 CAD
$843 USD
View
Retailer 5
-
$1,180 CAD
$843 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,362 CAD
HK$7,600 HKD
View
A
Retailer 7
-
$1,428 CAD
$1,020 USD
View
B+
Retailer 8
-
$1,608 CAD
$1,149 USD
View
B+
Retailer 9
-
$1,912 CAD
$1,366 USD
View
B
Retailer 10
-
$2,174 CAD
$1,553 USD
View
B
Retailer 11
-
$2,907 CAD
$2,077 USD
View
B
Retailer 12
-
$3,318 CAD
$2,371 USD
View
B
Retailer 13
-
$3,835 CAD
$2,740 USD
View
B
Retailer 14
-
$4,068 CAD
$2,906 USD
View
Most Expensive
B
MOH London
LG508123946 · Oct 26
$4,641 CAD
£2,611 GBP
View
14 more retailers have this diamond
Prices start from $1,018 CADSave up to $3,624 CAD

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
$1,018 CAD