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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1508586417

Certificate GIA 1508586417

Diamond specifications and retailer prices

From $583 SGD
₹43,305 INR
As of October 29, 2026
Save $1,901 SGD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,484 SGD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508586417. Listed at 22 retailers as of October 26, 2026, with prices from $583 to $2,484, a $1,901 spread on the same certified stone. NZ Jewellers lists it at $2,484. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1508586417
Dimensions4.80 × 4.82 × 2.96 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
4.80 mm4.82 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1508586417
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

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 SGD|Low: $579 SGD|High: $2,484 SGD|Avg: $1,370 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3$583 SGD
Retailer 8$852 SGD
Retailer 2$966 SGD
Retailer 4$1,059 SGD
Retailer 9$1,191 SGD
Retailer 6$1,226 SGD
Retailer 10$1,623 SGD
Retailer 7$1,833 SGD
Retailer 5$1,872 SGD
NZ Jewellers$2,484 SGD

31 data points across 10 retailers

22 retailers$583 SGD to $2,484 SGD

A
Cheapest Retailer
-
$583 SGD
₹43,305 INR
A
Retailer 2
-
$765 SGD
A$919 AUD
View
A
Retailer 3
-
$792 SGD
$618 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$792 SGD
$618 USD
View
B+
Retailer 5
-
$825 SGD
View
B+
Retailer 6
-
$852 SGD
$665 USD
View
B+
Retailer 7
-
$854 SGD
$666 USD
View
B+
Retailer 8
-
$854 SGD
$666 USD
View
B+
Retailer 9
-
$914 SGD
$713 USD
View
Price last confirmed 36 days ago
B+
Retailer 10
-
$961 SGD
$750 USD
View
B+
Retailer 11
-
$966 SGD
£594 GBP
View
B+
Retailer 12
-
$1,001 SGD
$781 USD
View
B+
Retailer 13
-
$1,059 SGD
€787 EUR
View
B+
Retailer 14
-
$1,094 SGD
$853 USD
View
B+
Retailer 15
-
$1,191 SGD
A$1,430 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
$1,226 SGD
ZAR 15,454 ZAR
View
B
Retailer 17
-
$1,435 SGD
£881 GBP
View
B
Retailer 18
-
$1,623 SGD
£997 GBP
View
Price last confirmed 29 days ago
B
Retailer 19
-
$1,833 SGD
£1,126 GBP
View
B
Retailer 20
-
$1,872 SGD
£1,150 GBP
View
B
Retailer 21
-
$2,484 SGD
$1,938 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
3385e125-9547-4617-846b-5ea2a2056a89 · Oct 26
$2,484 SGD
$1,938 USD
View
21 more retailers have this diamond
Prices start from $583 SGDSave up to $1,901 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
$583 SGD