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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2494386639

Certificate GIA 2494386639

Diamond specifications and retailer prices

From $938 NZD
$527 USD
As of October 29, 2026
Save $2,172 NZD (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,111 NZD at NZ Jewellers · As of October 26, 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 2494386639. Listed at 17 retailers as of October 26, 2026, with prices from $938 to $3,111, a $2,172 spread on the same certified stone. NZ Jewellers lists it at $3,111. 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 angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2494386639
Dimensions4.85 × 4.81 × 2.97 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.85 mm4.81 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2494386639
Side View
Table 59.0%Crown 32.5°Girdle: ThickPavilion 41.8°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: $3,111 NZD|Low: $915 NZD|High: $3,134 NZD|Avg: $1,330 NZD|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$938 NZD
Retailer 6$997 NZD
Retailer 3$1,068 NZD
Retailer 10$1,085 NZD
Retailer 7$1,226 NZD
Retailer 8$1,230 NZD
Retailer 5$1,239 NZD
Retailer 2$1,473 NZD
Retailer 4$2,302 NZD
NZ Jewellers$3,111 NZD

44 data points across 10 retailers

17 retailers$938 NZD to $3,111 NZD

A
Cheapest Retailer
-
$938 NZD
$527 USD
Retailer 2
-
$967 NZD
$543 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$974 NZD
$547 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$992 NZD
$557 USD
View
A
Retailer 5
-
$997 NZD
$560 USD
View
Retailer 6
-
$1,042 NZD
$585 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$1,068 NZD
$600 USD
View
Retailer 8
-
$1,116 NZD
$627 USD
View
Price last confirmed 31 days ago
Retailer 9
-
$1,164 NZD
$654 USD
View
Price last confirmed 36 days ago
B+
Retailer 10
-
$1,226 NZD
$689 USD
View
B+
Retailer 11
-
$1,230 NZD
$691 USD
View
B+
Retailer 12
-
$1,239 NZD
£548 GBP
View
B+
Retailer 13
-
$1,473 NZD
€788 EUR
View
B
Retailer 14
-
$2,218 NZD
£981 GBP
View
B
Retailer 15
-
$2,302 NZD
£1,018 GBP
View
Retailer 16
-
$3,052 NZD
$1,714 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
9e63544f-79c5-4f44-9fb6-1a41bb2d823d · Oct 26
$3,111 NZD
$1,747 USD
View
16 more retailers have this diamond
Prices start from $938 NZDSave up to $2,172 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
$938 NZD