Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1508586417

Certificate GIA 1508586417

Diamond specifications and retailer prices

From HK$3,568 HKD
₹43,305 INR
As of October 29, 2026
Save HK$11,639 HKD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$15,206 HKD 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 HK$3,568 to HK$15,206, a HK$11,639 spread on the same certified stone. NZ Jewellers lists it at HK$15,206. 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: HK$15,206 HKD|Low: HK$3,544 HKD|High: HK$15,206 HKD|Avg: HK$8,387 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3HK$3,568 HKD
Retailer 8HK$5,218 HKD
Retailer 2HK$5,916 HKD
Retailer 4HK$6,484 HKD
Retailer 9HK$7,293 HKD
Retailer 6HK$7,506 HKD
Retailer 10HK$9,935 HKD
Retailer 7HK$11,221 HKD
Retailer 5HK$11,460 HKD
NZ JewellersHK$15,206 HKD

31 data points across 10 retailers

22 retailersHK$3,568 HKD to HK$15,206 HKD

A
Cheapest Retailer
-
HK$3,568 HKD
₹43,305 INR
A
Retailer 2
-
HK$4,685 HKD
A$919 AUD
View
A
Retailer 3
-
HK$4,849 HKD
$618 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
HK$4,849 HKD
$618 USD
View
B+
Retailer 5
-
HK$5,052 HKD
SGD 870 SGD
View
B+
Retailer 6
-
HK$5,218 HKD
$665 USD
View
B+
Retailer 7
-
HK$5,226 HKD
$666 USD
View
B+
Retailer 8
-
HK$5,226 HKD
$666 USD
View
B+
Retailer 9
-
HK$5,594 HKD
$713 USD
View
Price last confirmed 36 days ago
B+
Retailer 10
-
HK$5,884 HKD
$750 USD
View
B+
Retailer 11
-
HK$5,916 HKD
£594 GBP
View
B+
Retailer 12
-
HK$6,128 HKD
$781 USD
View
B+
Retailer 13
-
HK$6,484 HKD
€787 EUR
View
B+
Retailer 14
-
HK$6,696 HKD
$853 USD
View
B+
Retailer 15
-
HK$7,293 HKD
A$1,430 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
HK$7,506 HKD
ZAR 15,454 ZAR
View
B
Retailer 17
-
HK$8,782 HKD
£881 GBP
View
B
Retailer 18
-
HK$9,935 HKD
£997 GBP
View
Price last confirmed 29 days ago
B
Retailer 19
-
HK$11,221 HKD
£1,126 GBP
View
B
Retailer 20
-
HK$11,460 HKD
£1,150 GBP
View
B
Retailer 21
-
HK$15,206 HKD
$1,938 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
3385e125-9547-4617-846b-5ea2a2056a89 · Oct 26
HK$15,206 HKD
$1,938 USD
View
21 more retailers have this diamond
Prices start from HK$3,568 HKDSave up to HK$11,639 HKD

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
HK$3,568 HKD