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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 $637 NZD
$358 USD
As of October 28, 2026
Save $1,809 NZD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,446 NZD at NZ Jewellers · As of October 26, 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 26, 2026, with prices from $637 to $2,446, a $1,809 spread on the same certified stone. NZ Jewellers lists it at $2,446. 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: $2,446 NZD|Low: $637 NZD|High: $2,446 NZD|Avg: $1,085 NZD
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 29, 2026
Retailer 11$637 NZD
Retailer 8$687 NZD
Retailer 7$712 NZD
Retailer 12$860 NZD
Retailer 9$871 NZD
Retailer 10$871 NZD
Retailer 3$896 NZD
Retailer 4$981 NZD
Retailer 5$1,066 NZD
Retailer 2$1,321 NZD
Retailer 6$1,481 NZD
NZ Jewellers$2,446 NZD

23 data points across 12 retailers

12 retailers$637 NZD to $2,446 NZD

A
Cheapest Retailer
-
$637 NZD
$358 USD
A
Retailer 2
-
$687 NZD
$386 USD
View
A
Retailer 3
-
$712 NZD
$400 USD
View
A
Retailer 4
-
$860 NZD
$483 USD
View
A
Retailer 5
-
$871 NZD
$489 USD
View
A
Retailer 6
-
$871 NZD
$489 USD
View
A
Retailer 7
-
$896 NZD
$504 USD
View
A
Retailer 8
-
$981 NZD
$551 USD
View
A
Retailer 9
-
$1,066 NZD
€570 EUR
View
B+
Retailer 10
-
$1,321 NZD
£584 GBP
View
B
Retailer 11
-
$1,481 NZD
£655 GBP
View
Most Expensive
B
NZ Jewellers
76d5261c-3c39-49b9-a8a9-1de0468bfdf9 · Oct 26
$2,446 NZD
$1,374 USD
View
11 more retailers have this diamond
Prices start from $637 NZDSave up to $1,809 NZD

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
$637 NZD