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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2231475190

Certificate GIA 2231475190

Diamond specifications and retailer prices

From HK$3,319 HKD
As of November 4, 2026
Save HK$9,485 HKD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$12,803 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231475190. Listed at 14 retailers as of November 4, 2026, with prices from HK$3,319 to HK$12,803, a HK$9,485 spread on the same certified stone. NZ Jewellers lists it at HK$12,803. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231475190
Dimensions5.08 × 5.06 × 3.15 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 2231475190
Top View
5.08 mm5.06 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231475190
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$12,803 HKD|Low: HK$3,766 HKD|High: HK$12,803 HKD|Avg: HK$6,234 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5HK$3,766 HKD
Retailer 7HK$3,985 HKD
Retailer 9HK$4,503 HKD
Retailer 8HK$4,535 HKD
Retailer 2HK$5,037 HKD
Retailer 4HK$5,476 HKD
Retailer 3HK$5,523 HKD
Retailer 6HK$9,414 HKD
NZ JewellersHK$12,803 HKD

44 data points across 9 retailers

14 retailersHK$3,319 HKD to HK$12,803 HKD

A
Cheapest Retailer
-
HK$3,319 HKD
A
Retailer 2
-
HK$3,695 HKD
View
A
Retailer 3
-
HK$3,766 HKD
View
B+
Retailer 4
-
HK$3,852 HKD
View
Retailer 5
-
HK$3,985 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$3,985 HKD
View
B+
Retailer 7
-
HK$4,268 HKD
View
B+
Retailer 8
-
HK$4,503 HKD
View
B+
Retailer 9
-
HK$4,817 HKD
View
B+
Retailer 10
-
HK$5,037 HKD
View
B
Retailer 11
-
HK$5,476 HKD
View
B
Retailer 12
-
HK$5,523 HKD
View
B
Retailer 13
-
HK$9,414 HKD
View
Most Expensive
C
NZ Jewellers
5d9f9c32-6160-4e3e-9dce-60209f351591 · Nov 4
HK$12,803 HKD
$1,632 USD
View
13 more retailers have this diamond
Prices start from HK$3,319 HKDSave up to HK$9,485 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$3,319 HKD