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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 HK$5,703 HKD
As of November 5, 2026
Save HK$20,271 HKD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$25,975 HKD 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 HK$5,703 to HK$25,975, a HK$20,271 spread on the same certified stone. MOH London lists it at HK$25,975. 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: HK$25,975 HKD|Low: HK$5,703 HKD|High: HK$26,323 HKD|Avg: HK$13,577 HKD|-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 9HK$5,703 HKD
Retailer 11HK$6,378 HKD
Retailer 3HK$7,626 HKD
Retailer 6HK$8,002 HKD
Retailer 10HK$9,014 HKD
Retailer 8HK$10,717 HKD
Retailer 12HK$12,184 HKD
Retailer 4HK$12,380 HKD
Retailer 5HK$13,282 HKD
Retailer 2HK$13,337 HKD
Retailer 7HK$16,294 HKD
Retailer 13HK$22,798 HKD
MOH LondonHK$25,975 HKD

19 data points across 13 retailers

15 retailersHK$5,703 HKD to HK$25,975 HKD

A
Cheapest Retailer
-
HK$5,703 HKD
A
Retailer 2
-
HK$6,206 HKD
View
A
Retailer 3
-
HK$6,378 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$6,614 HKD
View
Retailer 5
-
HK$6,614 HKD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$7,626 HKD
View
A
Retailer 7
-
HK$8,002 HKD
View
B+
Retailer 8
-
HK$9,014 HKD
View
B+
Retailer 9
-
HK$10,717 HKD
View
B
Retailer 10
-
HK$12,184 HKD
View
B+
Retailer 11
-
HK$13,337 HKD
View
B
Retailer 12
-
HK$16,294 HKD
View
B
Retailer 13
-
HK$18,601 HKD
View
B
Retailer 14
-
HK$22,798 HKD
View
Most Expensive
B
MOH London
LG508123946 · Nov 3
HK$25,975 HKD
£2,607 GBP
View
14 more retailers have this diamond
Prices start from HK$5,703 HKDSave up to HK$20,271 HKD

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
HK$5,703 HKD