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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2496984386

Certificate GIA 2496984386

Diamond specifications and retailer prices

From $625 AUD
$439 USD
As of October 28, 2026
Save $1,768 AUD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,393 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 GIA 2496984386. Listed at 11 retailers as of October 26, 2026, with prices from $625 to $2,393, a $1,768 spread on the same certified stone. NZ Jewellers lists it at $2,393. 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°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2496984386
Dimensions4.81 × 4.77 × 2.98 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.81 mm4.77 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2496984386
Side View
Table 56.0%Crown 35°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.4%

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: $2,393 AUD|Low: $625 AUD|High: $2,440 AUD|Avg: $1,062 AUD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$625 AUD
Retailer 6$672 AUD
Retailer 7$672 AUD
Retailer 10$701 AUD
Retailer 2$772 AUD
Retailer 9$883 AUD
Retailer 11$919 AUD
Retailer 5$943 AUD
Retailer 3$1,033 AUD
Retailer 4$1,450 AUD
NZ Jewellers$2,393 AUD

36 data points across 11 retailers

11 retailers$625 AUD to $2,393 AUD

A
Retailer 1
-
$549 AUD
$386 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$625 AUD
$439 USD
View
A
Retailer 3
-
$672 AUD
$472 USD
View
A
Retailer 4
-
$672 AUD
$472 USD
View
A
Retailer 5
-
$720 AUD
$506 USD
View
A
Retailer 6
-
$772 AUD
£427 GBP
View
B+
Retailer 7
-
$883 AUD
$620 USD
View
B+
Retailer 8
-
$919 AUD
$646 USD
View
B+
Retailer 9
-
$943 AUD
€631 EUR
View
B
Retailer 10
-
$1,450 AUD
£802 GBP
View
Most Expensive
B
NZ Jewellers
5d97ef6e-6386-42b0-9a8c-202fd32315bf · Oct 26
$2,393 AUD
$1,681 USD
View
10 more retailers have this diamond
Prices start from $625 AUDSave up to $1,768 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
$625 AUD