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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552745539

Certificate GIA 6552745539

Diamond specifications and retailer prices

From $450 AUD
₹30,132 INR
As of October 24, 2026
Save $1,940 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,390 AUD at NZ Jewellers · As of October 23, 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 6552745539. Listed at 15 retailers as of October 23, 2026, with prices from $450 to $2,390, a $1,940 spread on the same certified stone. NZ Jewellers lists it at $2,390. 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
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552745539
Dimensions4.78 × 4.81 × 2.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.78 mm4.81 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552745539
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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 24
Current: $2,390 AUD|Low: $449 AUD|High: $2,390 AUD|Avg: $1,025 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$450 AUD
Retailer 2$547 AUD
Retailer 8$589 AUD
Retailer 5$733 AUD
Retailer 9$811 AUD
Retailer 4$943 AUD
Retailer 3$1,284 AUD
Retailer 7$1,448 AUD
NZ Jewellers$2,390 AUD

42 data points across 9 retailers

15 retailers$450 AUD to $2,390 AUD

A
Cheapest Retailer
-
$450 AUD
₹30,132 INR
A
Retailer 2
-
$547 AUD
HK$3,000 HKD
View
A
Retailer 3
-
$589 AUD
$414 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$623 AUD
$438 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$643 AUD
View
A
Retailer 6
-
$672 AUD
$472 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$672 AUD
$472 USD
View
A
Retailer 8
-
$719 AUD
$505 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$733 AUD
£406 GBP
View
A
Retailer 10
-
$811 AUD
$570 USD
View
B+
Retailer 11
-
$943 AUD
€631 EUR
View
B+
Retailer 12
-
$1,284 AUD
£710 GBP
View
B
Retailer 13
-
$1,448 AUD
£801 GBP
View
Price last confirmed 8 days ago
B
Retailer 14
-
$2,390 AUD
$1,679 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
7b969964-cbe5-4f96-bafc-ff153d80ec6a · Oct 23
$2,390 AUD
$1,679 USD
View
14 more retailers have this diamond
Prices start from $450 AUDSave up to $1,940 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
$450 AUD