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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2

Diamond specifications and retailer prices

From $469 NZD
₹25,087 INR
As of October 29, 2026
Save $2,164 NZD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,706 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 19 retailers as of October 27, 2026, with a 461% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions4.77 × 4.73 × 3.00 mm
L/W Ratio1.01
Top View
4.77 mm4.73 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.2%

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: $2,484 NZD|Low: $469 NZD|High: $2,646 NZD|Avg: $1,044 NZD|-6.1%
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
October 30, 2026
Retailer 10$469 NZD
Retailer 5$570 NZD
Retailer 14$652 NZD
Retailer 15$690 NZD
Retailer 11$702 NZD
Retailer 13$726 NZD
Retailer 9$838 NZD
Retailer 3$876 NZD
Retailer 6$904 NZD
Retailer 7$910 NZD
Retailer 12$992 NZD
Retailer 8$1,077 NZD
Retailer 2$1,337 NZD
Retailer 4$1,551 NZD
NZ Jewellers$2,484 NZD

21 data points across 15 retailers

19 retailers$469 NZD to $2,633 NZD

A
Cheapest Retailer
-
$469 NZD
₹25,087 INR
A
Retailer 2
-
$570 NZD
HK$2,500 HKD
View
A
Retailer 3
-
$652 NZD
$366 USD
View
A
Retailer 4
-
$690 NZD
SGD 524 SGD
View
A
Retailer 5
-
$702 NZD
$394 USD
View
Retailer 6
-
$705 NZD
$396 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$726 NZD
$408 USD
View
Retailer 8
-
$814 NZD
$457 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$838 NZD
£371 GBP
View
A
Retailer 10
-
$876 NZD
$492 USD
View
A
Retailer 11
-
$904 NZD
$507 USD
View
A
Retailer 12
-
$910 NZD
$511 USD
View
A
Retailer 13
-
$992 NZD
$557 USD
View
A
Retailer 14
-
$1,077 NZD
€576 EUR
View
B+
Retailer 15
-
$1,337 NZD
£591 GBP
View
B+
Retailer 16
-
$1,551 NZD
£686 GBP
View
B
Retailer 17
-
$2,484 NZD
$1,395 USD
View
B
Retailer 18
-
$2,633 NZD
CA$2,054 CAD
View
Most Expensive
NZ Jewellers
66acc9f9-7d8c-49b1-ae4a-1d6a558c5f76 · Sep 28
$2,706 NZD
$1,520 USD
View
Price last confirmed 31 days ago
18 more retailers have this diamond
Prices start from $469 NZDSave up to $2,164 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
$469 NZD