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2.42ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG487172850

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487172850

Diamond specifications and retailer prices

From HK$10,435 HKD
$1,330 USD
As of October 30, 2026
Save HK$52,010 HKD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$62,445 HKD at MOH London · As of October 27, 2026
View at MOH London

About this 2.42ct lab-grown round diamond

This 2.42ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487172850 or 487172850. Listed at 9 retailers as of October 27, 2026, with prices from HK$10,435 to HK$62,445, a HK$52,010 spread on the same certified stone. MOH London lists it at HK$62,445. 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

2.42
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487172850
Dimensions8.81 × 8.86 × 5.13 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.81 mm8.86 mm2.42 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487172850
Side View
Table 59.5%Crown 32.3°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 58.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$62,445 HKD|Low: HK$10,435 HKD|High: HK$63,192 HKD|Avg: HK$33,134 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2HK$10,435 HKD
Retailer 6HK$21,842 HKD
Retailer 7HK$22,486 HKD
Retailer 4HK$23,294 HKD
Retailer 8HK$28,433 HKD
Retailer 3HK$34,176 HKD
Retailer 5HK$36,279 HKD
Retailer 9HK$52,129 HKD
MOH LondonHK$62,445 HKD

17 data points across 9 retailers

9 retailersHK$10,435 HKD to HK$62,445 HKD

A
Cheapest Retailer
-
HK$10,435 HKD
$1,330 USD
Retailer 2
-
HK$20,077 HKD
$2,559 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
HK$21,842 HKD
$2,784 USD
View
B+
Retailer 4
-
HK$22,486 HKD
$2,866 USD
View
Final sale: no returns
Retailer 5
-
HK$23,294 HKD
$2,969 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$23,294 HKD
$2,969 USD
View
B
Retailer 7
-
HK$34,176 HKD
$4,356 USD
View
B
Retailer 8
-
HK$36,279 HKD
$4,624 USD
View
Most Expensive
B
MOH London
LG487172850 · Oct 27
HK$62,445 HKD
£6,267 GBP
View
8 more retailers have this diamond
Prices start from HK$10,435 HKDSave up to HK$52,010 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
2.42ct Round
HK$10,435 HKD