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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6422948574

Certificate GIA 6422948574

Diamond specifications and retailer prices

From HK$3,605 HKD
As of November 6, 2026
Save HK$12,305 HKD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$15,910 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422948574. Listed at 22 retailers as of November 4, 2026, with prices from HK$3,605 to HK$15,910, a HK$12,305 spread on the same certified stone. NZ Jewellers lists it at HK$15,910. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422948574
Dimensions5.13 × 5.10 × 3.11 mm
L/W Ratio1.01
Top View
5.13 mm5.10 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422948574
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 6
Current: HK$3,605 HKD|Low: HK$3,605 HKD|High: HK$11,850 HKD|Avg: HK$6,630 HKD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1HK$3,605 HKD
Retailer 3HK$4,671 HKD
Retailer 9HK$5,016 HKD
Retailer 5HK$5,181 HKD
Retailer 6HK$6,152 HKD
Retailer 11HK$6,207 HKD
Retailer 4HK$6,521 HKD
Retailer 2HK$6,544 HKD
Retailer 7HK$6,560 HKD
Retailer 8HK$7,830 HKD
Retailer 10HK$11,709 HKD

28 data points across 11 retailers

22 retailersHK$3,605 HKD to HK$15,910 HKD

A
Cheapest Retailer
-
HK$3,605 HKD
A
Retailer 2
-
HK$4,209 HKD
View
A
Retailer 3
-
HK$4,671 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$4,796 HKD
View
B+
Retailer 5
-
HK$5,016 HKD
View
B+
Retailer 6
-
HK$5,071 HKD
View
B+
Retailer 7
-
HK$5,181 HKD
View
B+
Retailer 8
-
HK$5,463 HKD
View
B+
Retailer 9
-
HK$5,855 HKD
View
B+
Retailer 10
-
HK$5,862 HKD
View
B+
Retailer 11
-
HK$6,105 HKD
View
B+
Retailer 12
-
HK$6,152 HKD
View
B+
Retailer 13
-
HK$6,207 HKD
View
B+
Retailer 14
-
HK$6,521 HKD
View
B
Retailer 15
-
HK$6,544 HKD
View
B+
Retailer 16
-
HK$6,560 HKD
View
B
Retailer 17
-
HK$6,983 HKD
View
Retailer 18
-
HK$7,626 HKD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
HK$7,830 HKD
View
B
Retailer 20
-
HK$7,877 HKD
View
B
Retailer 21
-
HK$11,709 HKD
View
Most Expensive
B
NZ Jewellers
b6c2ede9-d08b-4312-aa26-450d9b06516b · Nov 4
HK$15,910 HKD
$2,030 USD
View
21 more retailers have this diamond
Prices start from HK$3,605 HKDSave up to HK$12,305 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$3,605 HKD