Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2426593331

Certificate GIA 2426593331

Diamond specifications and retailer prices

From HK$5,147 HKD
$656 USD
As of October 29, 2026
Save HK$12,349 HKD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$17,496 HKD at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 0.54ct natural round diamond

This 0.54ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2426593331. Listed at 18 retailers as of October 29, 2026, with a 240% 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

0.54
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2426593331
Dimensions5.26 × 5.24 × 3.18 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
5.26 mm5.24 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2426593331
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°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$17,496 HKD|Low: HK$4,292 HKD|High: HK$17,496 HKD|Avg: HK$8,045 HKD
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
November 1, 2026
Retailer 11HK$5,147 HKD
Retailer 5HK$5,578 HKD
Retailer 9HK$5,610 HKD
Retailer 13HK$5,790 HKD
Retailer 3HK$6,269 HKD
Retailer 4HK$6,433 HKD
Retailer 7HK$6,597 HKD
Retailer 10HK$6,983 HKD
Retailer 2HK$7,892 HKD
Retailer 12HK$8,388 HKD
Retailer 8HK$8,610 HKD
Retailer 6HK$12,884 HKD
NZ JewellersHK$17,496 HKD

44 data points across 13 retailers

18 retailersHK$5,147 HKD to HK$17,496 HKD

A
Cheapest Retailer
-
HK$5,147 HKD
$656 USD
Final sale: no returns
Retailer 2
-
HK$5,578 HKD
$711 USD
View
Price last confirmed 55 days ago
A
Retailer 3
-
HK$5,578 HKD
$711 USD
View
Retailer 4
-
HK$5,578 HKD
$711 USD
View
Price last confirmed 48 days ago
Retailer 5
-
HK$5,610 HKD
$715 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
HK$5,790 HKD
$738 USD
View
Retailer 7
-
HK$6,269 HKD
$799 USD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$6,433 HKD
$820 USD
View
Price last confirmed 55 days ago
B+
Retailer 9
-
HK$6,433 HKD
$820 USD
View
B+
Retailer 10
-
HK$6,597 HKD
£662 GBP
View
B+
Retailer 11
-
HK$6,983 HKD
$890 USD
View
B
Retailer 12
-
HK$7,645 HKD
$974 USD
View
B+
Retailer 13
-
HK$7,892 HKD
€958 EUR
View
Retailer 14
-
HK$8,388 HKD
A$1,645 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
HK$8,610 HKD
ZAR 17,729 ZAR
View
B
Retailer 16
-
HK$12,884 HKD
£1,293 GBP
View
B
Retailer 17
-
HK$17,496 HKD
$2,230 USD
View
Most Expensive
NZ Jewellers
6e4e990d-07a8-43aa-a141-85324760ba7a · Sep 1
HK$17,496 HKD
$2,230 USD
View
Price last confirmed 61 days ago
17 more retailers have this diamond
Prices start from HK$5,147 HKDSave up to HK$12,349 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
0.54ct Round
HK$5,147 HKD