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0.42ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • HRD 180000098461

Certificate HRD 180000098461

Diamond specifications and retailer prices

From HK$5,281 HKD
€641 EUR
As of October 29, 2026
Save HK$1,375 HKD (21%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$6,656 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown round diamond

This 0.42ct lab-grown round sits in the sub-half-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 180000098461. Listed at 2 retailers as of October 29, 2026, with prices from HK$5,281 to HK$6,656, a HK$1,375 spread on the same certified stone. MOH London lists it at HK$6,656. 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

0.42
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabHRD
CertificateHRD 180000098461
Dimensions4.77 × 4.79 × 2.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.77 mm4.79 mm0.42 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 180000098461
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$6,656 HKD|Low: HK$5,075 HKD|High: HK$6,706 HKD|Avg: HK$5,855 HKD|+0.3%
MOH London
Retailer 2
October 29, 2026
Retailer 2HK$5,281 HKD
MOH LondonHK$6,656 HKD

18 data points across 2 retailers

2 retailersHK$5,281 HKD to HK$6,656 HKD

B
Cheapest Retailer
-
HK$5,281 HKD
€641 EUR
Most Expensive
C
MOH London
2B273611C · Oct 29
HK$6,656 HKD
£668 GBP
View
1 more retailer has this diamond
Prices start from HK$5,281 HKDSave up to HK$1,375 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.

B
0.42ct Round
HK$5,281 HKD