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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554687300

Certificate GIA 2554687300

Diamond specifications and retailer prices

From $553 AUD
₹37,010 INR
As of October 29, 2026
Save $594 AUD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,646 AUD at NZ Jewellers · As of October 3, 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 2554687300. Listed at 17 retailers as of October 26, 2026, with a 107% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 2554687300
Dimensions4.81 × 4.83 × 2.96 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.81 mm4.83 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554687300
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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 29
Current: $926 AUD|Low: $552 AUD|High: $1,887 AUD|Avg: $998 AUD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 5$553 AUD
Retailer 3$638 AUD
Retailer 10$751 AUD
Retailer 11$790 AUD
Retailer 9$793 AUD
Retailer 1$926 AUD
Retailer 2$928 AUD
Retailer 7$1,022 AUD
Retailer 6$1,025 AUD
Retailer 8$1,040 AUD
Retailer 12$1,147 AUD
Retailer 4$1,768 AUD

22 data points across 12 retailers

17 retailers$553 AUD to $1,147 AUD

A
Cheapest Retailer
-
$553 AUD
₹37,010 INR
A
Retailer 2
-
$638 AUD
HK$3,500 HKD
View
A
Retailer 3
-
$751 AUD
View
A
Retailer 4
-
$790 AUD
SGD 750 SGD
View
A
Retailer 5
-
$793 AUD
$557 USD
View
Retailer 6
-
$844 AUD
$593 USD
View
Price last confirmed 26 days ago
Retailer 7
-
$915 AUD
$643 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$926 AUD
£512 GBP
View
A
Retailer 9
-
$928 AUD
$652 USD
View
Retailer 10
-
$974 AUD
$684 USD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$1,022 AUD
€684 EUR
View
B+
Retailer 12
-
$1,025 AUD
$720 USD
View
B+
Retailer 13
-
$1,040 AUD
$730 USD
View
B+
Retailer 14
-
$1,147 AUD
ZAR 13,019 ZAR
View
Retailer 15
-
$1,269 AUD
View
Price last confirmed 25 days ago
Retailer 16
-
$1,768 AUD
£978 GBP
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
51567a31-da6d-411f-b491-35861682594a · Oct 3
$2,646 AUD
$1,859 USD
View
Price last confirmed 27 days ago
16 more retailers have this diamond
Prices start from $553 AUDSave up to $594 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
$553 AUD