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0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 810633260

Shape and cutting style on the report: Round brilliant

Certificate IGI 810633260

Diamond specifications and retailer prices

From $426 NZD
₹22,798 INR
As of October 29, 2026
Save $1,846 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,272 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 810633260. Listed at 11 retailers as of October 26, 2026, with prices from $426 to $2,272, a $1,846 spread on the same certified stone. NZ Jewellers lists it at $2,272. 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 angle35.4°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 810633260
Dimensions4.77 × 4.80 × 2.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.77 mm4.80 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 810633260
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.9%

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 29
Current: $2,272 NZD|Low: $424 NZD|High: $2,421 NZD|Avg: $1,060 NZD|-6.2%
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 2$426 NZD
Retailer 10$593 NZD
Retailer 6$640 NZD
Retailer 11$661 NZD
Retailer 3$690 NZD
Retailer 9$795 NZD
Retailer 7$798 NZD
Retailer 4$819 NZD
Retailer 5$987 NZD
Retailer 12$1,370 NZD
Retailer 8$1,820 NZD
NZ Jewellers$2,272 NZD

42 data points across 12 retailers

11 retailers$426 NZD to $2,272 NZD

A
Cheapest Retailer
-
$426 NZD
₹22,798 INR
A
Retailer 2
-
$593 NZD
$333 USD
View
A
Retailer 3
-
$640 NZD
SGD 486 SGD
View
A
Retailer 4
-
$661 NZD
$371 USD
View
Retailer 5
-
$742 NZD
$417 USD
View
Price last confirmed 74 days ago
A
Retailer 6
-
$795 NZD
$446 USD
View
A
Retailer 7
-
$798 NZD
$448 USD
View
A
Retailer 8
-
$987 NZD
€528 EUR
View
B+
Retailer 9
-
$1,370 NZD
£606 GBP
View
B
Retailer 10
-
$1,820 NZD
CA$1,420 CAD
View
Most Expensive
B
NZ Jewellers
5f3210d6-22f8-4fc0-b3c9-4de005b7869d · Oct 26
$2,272 NZD
$1,276 USD
View
10 more retailers have this diamond
Prices start from $426 NZDSave up to $1,846 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
$426 NZD