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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2

Diamond specifications and retailer prices

From $369 CAD
₹25,087 INR
As of October 29, 2026
Save $1,701 CAD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,127 CAD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,952 CAD|Low: $369 CAD|High: $2,080 CAD|Avg: $825 CAD|-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 29, 2026
Retailer 8$369 CAD
Retailer 5$448 CAD
Retailer 14$512 CAD
Retailer 15$543 CAD
Retailer 9$551 CAD
Retailer 12$571 CAD
Retailer 2$662 CAD
Retailer 3$689 CAD
Retailer 6$710 CAD
Retailer 7$715 CAD
Retailer 11$780 CAD
Retailer 13$841 CAD
Retailer 10$1,059 CAD
Retailer 4$1,219 CAD
NZ Jewellers$1,952 CAD

21 data points across 15 retailers

19 retailers$369 CAD to $2,070 CAD

A
Cheapest Retailer
-
$369 CAD
₹25,087 INR
A
Retailer 2
-
$448 CAD
HK$2,500 HKD
View
A
Retailer 3
-
$512 CAD
$366 USD
View
A
Retailer 4
-
$543 CAD
SGD 524 SGD
View
A
Retailer 5
-
$551 CAD
$394 USD
View
Retailer 6
-
$554 CAD
$396 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$571 CAD
$408 USD
View
Retailer 8
-
$640 CAD
$457 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$662 CAD
£372 GBP
View
A
Retailer 10
-
$689 CAD
$492 USD
View
A
Retailer 11
-
$710 CAD
$507 USD
View
A
Retailer 12
-
$715 CAD
$511 USD
View
A
Retailer 13
-
$780 CAD
$557 USD
View
A
Retailer 14
-
$841 CAD
€572 EUR
View
B+
Retailer 15
-
$1,059 CAD
£596 GBP
View
B+
Retailer 16
-
$1,219 CAD
£686 GBP
View
B
Retailer 17
-
$1,952 CAD
$1,395 USD
View
B
Retailer 18
-
$2,070 CAD
View
Most Expensive
NZ Jewellers
66acc9f9-7d8c-49b1-ae4a-1d6a558c5f76 · Sep 28
$2,127 CAD
$1,520 USD
View
Price last confirmed 31 days ago
18 more retailers have this diamond
Prices start from $369 CADSave up to $1,701 CAD

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
$369 CAD