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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 $575 NZD
₹30,876 INR
As of October 28, 2026
Save $1,227 NZD (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,410 NZD 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: $1,803 NZD|Low: $575 NZD|High: $1,920 NZD|Avg: $1,040 NZD|-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$575 NZD
Retailer 13$681 NZD
Retailer 2$831 NZD
Retailer 12$855 NZD
Retailer 5$921 NZD
Retailer 11$953 NZD
Retailer 4$1,025 NZD
Retailer 6$1,098 NZD
Retailer 9$1,105 NZD
Retailer 10$1,136 NZD
Retailer 3$1,226 NZD
Retailer 8$1,276 NZD
Retailer 1$1,803 NZD

19 data points across 13 retailers

18 retailers$575 NZD to $1,803 NZD

A
Cheapest Retailer
-
$575 NZD
₹30,876 INR
A
Retailer 2
-
$681 NZD
HK$3,000 HKD
View
A
Retailer 3
-
$831 NZD
SGD 633 SGD
View
A
Retailer 4
-
$855 NZD
$482 USD
View
Retailer 5
-
$889 NZD
$501 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$921 NZD
$519 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$953 NZD
£423 GBP
View
Retailer 8
-
$958 NZD
$540 USD
View
Price last confirmed 31 days ago
A
Retailer 9
-
$1,025 NZD
$578 USD
View
Retailer 10
-
$1,027 NZD
$579 USD
View
Price last confirmed 31 days ago
A
Retailer 11
-
$1,098 NZD
$619 USD
View
A
Retailer 12
-
$1,105 NZD
$623 USD
View
A
Retailer 13
-
$1,136 NZD
$640 USD
View
B+
Retailer 14
-
$1,226 NZD
ZAR 11,165 ZAR
View
B+
Retailer 15
-
$1,276 NZD
€685 EUR
View
Retailer 16
-
$1,338 NZD
A$1,160 AUD
View
Price last confirmed 27 days ago
B+
Retailer 17
-
$1,803 NZD
£800 GBP
View
Most Expensive
NZ Jewellers
7ba2e992-bd3d-4f88-9831-fa0f5bbdbde4 · Sep 28
$3,410 NZD
$1,922 USD
View
Price last confirmed 32 days ago
17 more retailers have this diamond
Prices start from $575 NZDSave up to $1,227 NZD

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
$575 NZD