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Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2564538320

Certificate GIA 2564538320

Diamond specifications and retailer prices

From HK$3,091 HKD
As of November 5, 2026
Save HK$9,532 HKD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$12,623 HKD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564538320. Listed at 17 retailers as of November 4, 2026, with prices from HK$3,091 to HK$12,623, a HK$9,532 spread on the same certified stone. NZ Jewellers lists it at HK$12,623. 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

0.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2564538320
Dimensions5.15 × 5.11 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
5.15 mm5.11 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564538320
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.0%

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: Nov 5
Current: HK$12,623 HKD|Low: HK$3,091 HKD|High: HK$12,623 HKD|Avg: HK$5,653 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
November 6, 2026
Retailer 7HK$3,091 HKD
Retailer 9HK$3,883 HKD
Retailer 3HK$4,025 HKD
Retailer 11HK$4,331 HKD
Retailer 12HK$4,331 HKD
Retailer 4HK$4,644 HKD
Retailer 5HK$4,966 HKD
Retailer 2HK$5,178 HKD
Retailer 6HK$5,978 HKD
Retailer 8HK$6,237 HKD
Retailer 10HK$9,289 HKD
NZ JewellersHK$12,623 HKD

26 data points across 12 retailers

17 retailersHK$3,091 HKD to HK$12,623 HKD

A
Cheapest Retailer
-
HK$3,091 HKD
A
Retailer 2
-
HK$3,413 HKD
View
A
Retailer 3
-
HK$3,609 HKD
View
A
Retailer 4
-
HK$3,883 HKD
View
A
Retailer 5
-
HK$4,025 HKD
View
B+
Retailer 6
-
HK$4,331 HKD
View
Retailer 7
-
HK$4,331 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$4,644 HKD
View
B+
Retailer 9
-
HK$4,966 HKD
View
B+
Retailer 10
-
HK$5,052 HKD
View
B+
Retailer 11
-
HK$5,146 HKD
View
B+
Retailer 12
-
HK$5,178 HKD
View
B
Retailer 13
-
HK$5,609 HKD
View
B+
Retailer 14
-
HK$5,978 HKD
View
B
Retailer 15
-
HK$6,237 HKD
View
B
Retailer 16
-
HK$9,289 HKD
View
Most Expensive
B
NZ Jewellers
4b735c9f-ad37-46e8-926f-56435415096d · Nov 4
HK$12,623 HKD
$1,609 USD
View
16 more retailers have this diamond
Prices start from HK$3,091 HKDSave up to HK$9,532 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
0.50ct Round
HK$3,091 HKD