CaratHunter
Plans
Round|Natural|IGI

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 $341 AUD
₹22,798 INR
As of October 29, 2026
Save $1,476 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,816 AUD 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 $341 to $1,816, a $1,476 spread on the same certified stone. NZ Jewellers lists it at $1,816. 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: $1,816 AUD|Low: $339 AUD|High: $1,936 AUD|Avg: $847 AUD|-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$341 AUD
Retailer 10$474 AUD
Retailer 6$512 AUD
Retailer 11$528 AUD
Retailer 3$551 AUD
Retailer 9$635 AUD
Retailer 7$638 AUD
Retailer 4$655 AUD
Retailer 5$789 AUD
Retailer 12$1,095 AUD
Retailer 8$1,455 AUD
NZ Jewellers$1,816 AUD

42 data points across 12 retailers

11 retailers$341 AUD to $1,816 AUD

A
Cheapest Retailer
-
$341 AUD
₹22,798 INR
A
Retailer 2
-
$474 AUD
$333 USD
View
A
Retailer 3
-
$512 AUD
SGD 486 SGD
View
A
Retailer 4
-
$528 AUD
$371 USD
View
A
Retailer 5
-
$593 AUD
$417 USD
View
Price last confirmed 74 days ago
A
Retailer 6
-
$635 AUD
$446 USD
View
A
Retailer 7
-
$638 AUD
$448 USD
View
A
Retailer 8
-
$789 AUD
€528 EUR
View
B+
Retailer 9
-
$1,095 AUD
£606 GBP
View
B
Retailer 10
-
$1,455 AUD
CA$1,420 CAD
View
Most Expensive
B
NZ Jewellers
5f3210d6-22f8-4fc0-b3c9-4de005b7869d · Oct 26
$1,816 AUD
$1,276 USD
View
10 more retailers have this diamond
Prices start from $341 AUDSave up to $1,476 AUD

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
$341 AUD