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3.23ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG490174551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490174551

Diamond specifications and retailer prices

From HK$14,200 HKD
As of November 5, 2026
Save HK$91,472 HKD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$105,672 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 3.23ct lab-grown round diamond

This 3.23ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490174551 or 490174551. Listed at 12 retailers as of November 3, 2026, with prices from HK$14,200 to HK$105,672, a HK$91,472 spread on the same certified stone. MOH London lists it at HK$105,672. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.23
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490174551
Dimensions9.52 × 9.43 × 5.81 mm
L/W Ratio1.01
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
9.52 mm9.43 mm3.23 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490174551
Side View
Table 56.5%Crown 34.7°Girdle: MediumPavilion 40.3°Culet: NoneDepth 61.4%

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$105,672 HKD|Low: HK$14,200 HKD|High: HK$107,087 HKD|Avg: HK$57,042 HKD
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 6, 2026
Retailer 6HK$14,200 HKD
Retailer 8HK$44,773 HKD
Retailer 12HK$46,914 HKD
Retailer 11HK$50,139 HKD
Retailer 3HK$51,935 HKD
Retailer 4HK$51,935 HKD
Retailer 9HK$51,935 HKD
Retailer 2HK$52,233 HKD
Retailer 5HK$55,450 HKD
Retailer 13HK$61,648 HKD
Retailer 7HK$62,832 HKD
Retailer 10HK$80,170 HKD
MOH LondonHK$105,672 HKD

42 data points across 13 retailers

12 retailersHK$14,200 HKD to HK$105,672 HKD

A
Cheapest Retailer
-
HK$14,200 HKD
B+
Retailer 2
-
HK$44,773 HKD
View
B+
Retailer 3
-
HK$46,914 HKD
View
B+
Retailer 4
-
HK$50,139 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$51,935 HKD
View
B+
Retailer 6
-
HK$51,935 HKD
View
Retailer 7
-
HK$51,935 HKD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
HK$52,233 HKD
View
B
Retailer 9
-
HK$61,648 HKD
View
B
Retailer 10
-
HK$62,832 HKD
View
B
Retailer 11
-
HK$80,170 HKD
View
Most Expensive
B
MOH London
LG490174551 · Nov 3
HK$105,672 HKD
£10,606 GBP
View
11 more retailers have this diamond
Prices start from HK$14,200 HKDSave up to HK$91,472 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
3.23ct Round
HK$14,200 HKD