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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6542117394

Certificate GIA 6542117394

Diamond specifications and retailer prices

From $461 AUD
₹30,876 INR
As of October 28, 2026
Save $985 AUD (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,736 AUD at NZ Jewellers · As of September 28, 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 6542117394. Listed at 18 retailers as of October 28, 2026, with a 213% 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 angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542117394
Dimensions4.82 × 4.80 × 2.98 mm
L/W Ratio1.00
Star length50%
Top View
4.82 mm4.80 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542117394
Side View
Table 57.0%Crown 36°Girdle: MED-MEDPavilion 40.6°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 28
Current: $1,446 AUD|Low: $461 AUD|High: $1,540 AUD|Avg: $835 AUD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7$461 AUD
Retailer 13$547 AUD
Retailer 2$667 AUD
Retailer 12$686 AUD
Retailer 5$739 AUD
Retailer 11$765 AUD
Retailer 4$822 AUD
Retailer 6$881 AUD
Retailer 9$886 AUD
Retailer 10$911 AUD
Retailer 3$984 AUD
Retailer 8$1,024 AUD
Retailer 1$1,446 AUD

19 data points across 13 retailers

18 retailers$461 AUD to $1,446 AUD

A
Cheapest Retailer
-
$461 AUD
₹30,876 INR
A
Retailer 2
-
$547 AUD
HK$3,000 HKD
View
A
Retailer 3
-
$667 AUD
SGD 633 SGD
View
A
Retailer 4
-
$686 AUD
$482 USD
View
Retailer 5
-
$713 AUD
$501 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$739 AUD
$519 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$765 AUD
£423 GBP
View
Retailer 8
-
$769 AUD
$540 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$822 AUD
$578 USD
View
Retailer 10
-
$824 AUD
$579 USD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$881 AUD
$619 USD
View
A
Retailer 12
-
$886 AUD
$623 USD
View
A
Retailer 13
-
$911 AUD
$640 USD
View
B+
Retailer 14
-
$984 AUD
ZAR 11,165 ZAR
View
B+
Retailer 15
-
$1,024 AUD
€685 EUR
View
Retailer 16
-
$1,073 AUD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
$1,446 AUD
£800 GBP
View
Most Expensive
NZ Jewellers
7ba2e992-bd3d-4f88-9831-fa0f5bbdbde4 · Sep 28
$2,736 AUD
$1,922 USD
View
Price last confirmed 31 days ago
17 more retailers have this diamond
Prices start from $461 AUDSave up to $985 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
$461 AUD