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0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 831669597

Shape and cutting style on the report: Round brilliant

Certificate IGI 831669597

Diamond specifications and retailer prices

From HK$2,809 HKD
$358 USD
As of October 28, 2026
Save HK$7,971 HKD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$10,780 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.42ct natural round diamond

This 0.42ct natural round sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 831669597. Listed at 12 retailers as of October 28, 2026, with prices from HK$2,809 to HK$10,780, a HK$7,971 spread on the same certified stone. NZ Jewellers lists it at HK$10,780. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 831669597
Dimensions4.83 × 4.88 × 2.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.83 mm4.88 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831669597
Side View
Table 57.0%Crown 33.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.0%

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 28
Current: HK$10,780 HKD|Low: HK$2,809 HKD|High: HK$10,780 HKD|Avg: HK$4,777 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11HK$2,809 HKD
Retailer 8HK$3,028 HKD
Retailer 7HK$3,138 HKD
Retailer 12HK$3,789 HKD
Retailer 9HK$3,837 HKD
Retailer 10HK$3,838 HKD
Retailer 3HK$3,950 HKD
Retailer 4HK$4,323 HKD
Retailer 5HK$4,696 HKD
Retailer 2HK$5,803 HKD
Retailer 6HK$6,526 HKD
NZ JewellersHK$10,780 HKD

24 data points across 12 retailers

12 retailersHK$2,809 HKD to HK$10,780 HKD

A
Cheapest Retailer
-
HK$2,809 HKD
$358 USD
A
Retailer 2
-
HK$3,028 HKD
$386 USD
View
A
Retailer 3
-
HK$3,138 HKD
$400 USD
View
A
Retailer 4
-
HK$3,789 HKD
$483 USD
View
A
Retailer 5
-
HK$3,837 HKD
$489 USD
View
A
Retailer 6
-
HK$3,838 HKD
$489 USD
View
A
Retailer 7
-
HK$3,950 HKD
$504 USD
View
A
Retailer 8
-
HK$4,323 HKD
$551 USD
View
A
Retailer 9
-
HK$4,696 HKD
€570 EUR
View
B+
Retailer 10
-
HK$5,803 HKD
£582 GBP
View
B
Retailer 11
-
HK$6,526 HKD
£655 GBP
View
Most Expensive
B
NZ Jewellers
76d5261c-3c39-49b9-a8a9-1de0468bfdf9 · Oct 30
HK$10,780 HKD
$1,374 USD
View
11 more retailers have this diamond
Prices start from HK$2,809 HKDSave up to HK$7,971 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
0.42ct Round
HK$2,809 HKD