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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2

Diamond specifications and retailer prices

From $338 SGD
₹25,087 INR
As of October 29, 2026
Save $1,558 SGD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,948 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,797 SGD|Low: $338 SGD|High: $1,905 SGD|Avg: $753 SGD|-5.7%
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$338 SGD
Retailer 5$410 SGD
Retailer 14$469 SGD
Retailer 15$497 SGD
Retailer 9$505 SGD
Retailer 12$523 SGD
Retailer 2$606 SGD
Retailer 3$631 SGD
Retailer 6$650 SGD
Retailer 7$655 SGD
Retailer 11$714 SGD
Retailer 13$770 SGD
Retailer 10$970 SGD
Retailer 4$1,117 SGD
NZ Jewellers$1,797 SGD

21 data points across 15 retailers

19 retailers$338 SGD to $1,895 SGD

A
Cheapest Retailer
-
$338 SGD
₹25,087 INR
A
Retailer 2
-
$410 SGD
HK$2,500 HKD
View
A
Retailer 3
-
$469 SGD
$366 USD
View
A
Retailer 4
-
$497 SGD
View
A
Retailer 5
-
$505 SGD
$394 USD
View
A
Retailer 6
-
$508 SGD
$396 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$523 SGD
$408 USD
View
A
Retailer 8
-
$586 SGD
$457 USD
View
Price last confirmed 31 days ago
A
Retailer 9
-
$606 SGD
£372 GBP
View
A
Retailer 10
-
$631 SGD
$492 USD
View
A
Retailer 11
-
$650 SGD
$507 USD
View
A
Retailer 12
-
$655 SGD
$511 USD
View
A
Retailer 13
-
$714 SGD
$557 USD
View
A
Retailer 14
-
$770 SGD
€572 EUR
View
B+
Retailer 15
-
$970 SGD
£596 GBP
View
B+
Retailer 16
-
$1,117 SGD
£686 GBP
View
B
Retailer 17
-
$1,797 SGD
$1,402 USD
View
B
Retailer 18
-
$1,895 SGD
CA$2,054 CAD
View
Most Expensive
B
NZ Jewellers
66acc9f9-7d8c-49b1-ae4a-1d6a558c5f76 · Sep 28
$1,948 SGD
$1,520 USD
View
Price last confirmed 31 days ago
18 more retailers have this diamond
Prices start from $338 SGDSave up to $1,558 SGD

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
$338 SGD