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Round|Natural|GIA

0.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6551115273

Certificate GIA 6551115273

Diamond specifications and retailer prices

From HK$5,123 HKD
As of November 4, 2026
Save HK$6,096 HKD (54%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$19,236 HKD at NZ Jewellers · As of September 24, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551115273. Listed at 24 retailers as of November 4, 2026, with a 119% 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

0.50
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551115273
Dimensions5.12 × 3.08 × 3.08 mm
L/W Ratio1.66
Top View
5.12 mm3.08 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551115273
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.0%

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 4
Current: HK$7,218 HKD|Low: HK$5,123 HKD|High: HK$15,541 HKD|Avg: HK$8,258 HKD|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$5,123 HKD
Retailer 6HK$5,217 HKD
Retailer 8HK$5,452 HKD
Retailer 9HK$5,554 HKD
Retailer 1HK$7,218 HKD
Retailer 2HK$7,767 HKD
Retailer 3HK$8,614 HKD
Retailer 4HK$11,219 HKD
Retailer 5HK$15,486 HKD

41 data points across 9 retailers

24 retailersHK$5,123 HKD to HK$11,219 HKD

A
Cheapest Retailer
-
HK$5,123 HKD
Final sale: no returns
A
Retailer 2
-
HK$5,178 HKD
View
A
Retailer 3
-
HK$5,217 HKD
View
B+
Retailer 4
-
HK$5,452 HKD
View
Retailer 5
-
HK$5,554 HKD
View
Price last confirmed 62 days ago
Retailer 6
-
HK$5,554 HKD
View
Price last confirmed 29 days ago
Retailer 7
-
HK$5,554 HKD
View
Price last confirmed 50 days ago
Retailer 8
-
HK$5,554 HKD
View
Price last confirmed 29 days ago
Retailer 9
-
HK$5,766 HKD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
HK$6,394 HKD
View
Retailer 11
-
HK$6,410 HKD
View
Price last confirmed 45 days ago
Retailer 12
-
HK$6,410 HKD
View
Price last confirmed 28 days ago
Retailer 13
-
HK$6,410 HKD
View
Price last confirmed 60 days ago
B
Retailer 14
-
HK$6,747 HKD
View
B
Retailer 15
-
HK$6,747 HKD
View
B
Retailer 16
-
HK$6,982 HKD
View
B+
Retailer 17
-
HK$7,218 HKD
View
B+
Retailer 18
-
HK$7,767 HKD
View
B
Retailer 19
-
HK$8,614 HKD
View
B
Retailer 20
-
HK$11,219 HKD
View
Retailer 21
-
HK$15,486 HKD
View
Price last confirmed 9 days ago
Retailer 22
-
HK$19,236 HKD
View
Price under review
Retailer 23
-
HK$19,236 HKD
View
Price under review
Most Expensive
NZ Jewellers
b1bea2c6-789a-4639-98e1-2f446abd6b50 · Sep 24
HK$19,236 HKD
$2,452 USD
View
Price under review
23 more retailers have this diamond
Prices start from HK$5,123 HKDSave up to HK$6,096 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$5,123 HKD