Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554687300

Certificate GIA 2554687300

Diamond specifications and retailer prices

From HK$3,047 HKD
₹36,982 INR
As of October 30, 2026
Save HK$3,276 HKD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$14,586 HKD at NZ Jewellers · As of October 3, 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 2554687300. Listed at 17 retailers as of October 26, 2026, with a 108% 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
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554687300
Dimensions4.81 × 4.83 × 2.96 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.81 mm4.83 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554687300
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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 30
Current: HK$3,047 HKD|Low: HK$3,043 HKD|High: HK$10,403 HKD|Avg: HK$5,498 HKD|-11.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 1HK$3,047 HKD
Retailer 3HK$3,515 HKD
Retailer 11HK$4,140 HKD
Retailer 12HK$4,355 HKD
Retailer 10HK$4,370 HKD
Retailer 6HK$5,107 HKD
Retailer 5HK$5,125 HKD
Retailer 8HK$5,635 HKD
Retailer 7HK$5,649 HKD
Retailer 9HK$5,731 HKD
Retailer 2HK$6,323 HKD
Retailer 4HK$9,746 HKD

22 data points across 12 retailers

17 retailersHK$3,047 HKD to HK$6,323 HKD

A
Cheapest Retailer
-
HK$3,047 HKD
₹36,982 INR
A
Retailer 2
-
HK$3,515 HKD
View
A
Retailer 3
-
HK$4,140 HKD
A$812 AUD
View
A
Retailer 4
-
HK$4,355 HKD
SGD 750 SGD
View
A
Retailer 5
-
HK$4,370 HKD
$557 USD
View
Retailer 6
-
HK$4,653 HKD
$593 USD
View
Price last confirmed 26 days ago
Retailer 7
-
HK$5,045 HKD
$643 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
HK$5,107 HKD
£512 GBP
View
A
Retailer 9
-
HK$5,125 HKD
$653 USD
View
Retailer 10
-
HK$5,367 HKD
$684 USD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
HK$5,635 HKD
€684 EUR
View
B+
Retailer 12
-
HK$5,649 HKD
$720 USD
View
B+
Retailer 13
-
HK$5,731 HKD
$730 USD
View
B+
Retailer 14
-
HK$6,323 HKD
ZAR 13,019 ZAR
View
Retailer 15
-
HK$6,994 HKD
A$1,371 AUD
View
Price last confirmed 25 days ago
Retailer 16
-
HK$9,746 HKD
£978 GBP
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
51567a31-da6d-411f-b491-35861682594a · Oct 3
HK$14,586 HKD
$1,859 USD
View
Price last confirmed 27 days ago
16 more retailers have this diamond
Prices start from HK$3,047 HKDSave up to HK$3,276 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$3,047 HKD