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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 €320 EUR
$358 USD
As of October 31, 2026
Save €909 EUR (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,230 EUR 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 30, 2026, with prices from €320 to €1,230, a €909 spread on the same certified stone. NZ Jewellers lists it at €1,230. 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
Color
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 31
Current: €1,230 EUR|Low: €320 EUR|High: €1,230 EUR|Avg: €544 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11€320 EUR
Retailer 8€346 EUR
Retailer 7€358 EUR
Retailer 12€432 EUR
Retailer 9€438 EUR
Retailer 10€438 EUR
Retailer 3€451 EUR
Retailer 4€493 EUR
Retailer 5€537 EUR
Retailer 2€660 EUR
Retailer 6€745 EUR
NZ Jewellers€1,230 EUR

26 data points across 12 retailers

12 retailers€320 EUR to €1,230 EUR

A
Cheapest Retailer
-
€320 EUR
$358 USD
A
Retailer 2
-
€346 EUR
$386 USD
View
A
Retailer 3
-
€358 EUR
$400 USD
View
A
Retailer 4
-
€432 EUR
$483 USD
View
A
Retailer 5
-
€438 EUR
$489 USD
View
A
Retailer 6
-
€438 EUR
$489 USD
View
A
Retailer 7
-
€451 EUR
$504 USD
View
A
Retailer 8
-
€493 EUR
$551 USD
View
A
Retailer 9
-
€537 EUR
View
B+
Retailer 10
-
€660 EUR
£581 GBP
View
B
Retailer 11
-
€745 EUR
£655 GBP
View
Most Expensive
B
NZ Jewellers
76d5261c-3c39-49b9-a8a9-1de0468bfdf9 · Oct 30
€1,230 EUR
$1,374 USD
View
11 more retailers have this diamond
Prices start from €320 EURSave up to €909 EUR

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
€320 EUR