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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7551576058

Certificate GIA 7551576058

Diamond specifications and retailer prices

From HK$2,868 HKD
₹34,816 INR
As of October 29, 2026
Save HK$6,079 HKD (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$15,078 HKD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551576058. Listed at 18 retailers as of October 29, 2026, with a 212% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7551576058
Dimensions4.84 × 4.83 × 2.93 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Knot
Top View
4.84 mm4.83 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551576058
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

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$4,779 HKD|Low: HK$2,863 HKD|High: HK$9,136 HKD|Avg: HK$5,120 HKD|+1.3%
Retailer 1
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
October 29, 2026
Retailer 7HK$2,868 HKD
Retailer 4HK$3,314 HKD
Retailer 14HK$4,099 HKD
Retailer 13HK$4,142 HKD
Retailer 9HK$4,150 HKD
Retailer 1HK$4,779 HKD
Retailer 3HK$4,876 HKD
Retailer 5HK$5,217 HKD
Retailer 11HK$5,321 HKD
Retailer 12HK$5,424 HKD
Retailer 8HK$5,452 HKD
Retailer 6HK$5,915 HKD
Retailer 2HK$5,952 HKD
Retailer 10HK$8,947 HKD

28 data points across 14 retailers

18 retailersHK$2,868 HKD to HK$8,947 HKD

A
Cheapest Retailer
-
HK$2,868 HKD
₹34,816 INR
A
Retailer 2
-
HK$3,314 HKD
View
A
Retailer 3
-
HK$3,930 HKD
$501 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
HK$4,099 HKD
SGD 706 SGD
View
A
Retailer 5
-
HK$4,142 HKD
$528 USD
View
A
Retailer 6
-
HK$4,150 HKD
$529 USD
View
A
Retailer 7
-
HK$4,236 HKD
$540 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
HK$4,542 HKD
$579 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
HK$4,779 HKD
£480 GBP
View
A
Retailer 10
-
HK$4,876 HKD
$622 USD
View
A
Retailer 11
-
HK$5,217 HKD
$665 USD
View
B+
Retailer 12
-
HK$5,321 HKD
€646 EUR
View
B+
Retailer 13
-
HK$5,424 HKD
$691 USD
View
B+
Retailer 14
-
HK$5,452 HKD
$695 USD
View
B+
Retailer 15
-
HK$5,915 HKD
A$1,160 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
HK$5,952 HKD
ZAR 12,257 ZAR
View
B
Retailer 17
-
HK$8,947 HKD
£898 GBP
View
Most Expensive
B
NZ Jewellers
7a0a9533-2184-4353-84bd-0a4faeffbd68 · Sep 28
HK$15,078 HKD
$1,922 USD
View
Price last confirmed 31 days ago
17 more retailers have this diamond
Prices start from HK$2,868 HKDSave up to HK$6,079 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$2,868 HKD