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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1503649346

Certificate GIA 1503649346

Diamond specifications and retailer prices

From $559 AUD
₹37,391 INR
As of October 29, 2026
Save $1,793 AUD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,351 AUD at NZ Jewellers · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503649346. Listed at 21 retailers as of October 29, 2026, with prices from $559 to $2,351, a $1,793 spread on the same certified stone. NZ Jewellers lists it at $2,351. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1503649346
Dimensions4.77 × 4.81 × 2.97 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Key to symbols
Feather
Top View
4.77 mm4.81 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1503649346
Side View
Table 59.0%Crown 34.5°Girdle: STK-STKPavilion 41.2°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: $2,351 AUD|Low: $558 AUD|High: $2,397 AUD|Avg: $1,065 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 11$559 AUD
Retailer 3$638 AUD
Retailer 6$750 AUD
Retailer 18$757 AUD
Retailer 17$801 AUD
Retailer 7$807 AUD
Retailer 10$807 AUD
Retailer 4$857 AUD
Retailer 2$936 AUD
Retailer 8$937 AUD
Retailer 9$991 AUD
Retailer 15$1,031 AUD
Retailer 12$1,032 AUD
Retailer 16$1,049 AUD
Retailer 5$1,160 AUD
Retailer 13$1,526 AUD
Retailer 14$1,741 AUD
NZ Jewellers$2,351 AUD

16 data points across 18 retailers

21 retailers$559 AUD to $2,351 AUD

A
Cheapest Retailer
-
$559 AUD
₹37,391 INR
A
Retailer 2
-
$638 AUD
HK$3,500 HKD
View
Retailer 3
-
$726 AUD
$510 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$750 AUD
$527 USD
View
A
Retailer 5
-
$757 AUD
View
A
Retailer 6
-
$801 AUD
$563 USD
View
A
Retailer 7
-
$807 AUD
$567 USD
View
A
Retailer 8
-
$807 AUD
$567 USD
View
A
Retailer 9
-
$857 AUD
$602 USD
View
A
Retailer 10
-
$936 AUD
£518 GBP
View
A
Retailer 11
-
$937 AUD
$658 USD
View
B+
Retailer 12
-
$991 AUD
$696 USD
View
B+
Retailer 13
-
$1,031 AUD
€690 EUR
View
B+
Retailer 14
-
$1,032 AUD
$725 USD
View
B+
Retailer 15
-
$1,049 AUD
$737 USD
View
B+
Retailer 16
-
$1,160 AUD
ZAR 13,171 ZAR
View
Retailer 17
-
$1,212 AUD
View
Price last confirmed 26 days ago
B
Retailer 18
-
$1,526 AUD
£844 GBP
View
B
Retailer 19
-
$1,741 AUD
£963 GBP
View
B
Retailer 20
-
$1,815 AUD
£1,004 GBP
View
Most Expensive
B
NZ Jewellers
adf24465-3988-437f-8239-e8af7fea298f · Oct 29
$2,351 AUD
$1,652 USD
View
20 more retailers have this diamond
Prices start from $559 AUDSave up to $1,793 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
$559 AUD