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Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555124321

Certificate GIA 6555124321

Diamond specifications and retailer prices

From HK$5,044 HKD
As of November 4, 2026
Save HK$5,994 HKD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$18,923 HKD at NZ Jewellers · As of September 23, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct 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 6555124321. Listed at 19 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

0.53
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555124321
Dimensions5.24 × 5.25 × 3.16 mm
L/W Ratio1.00
Top View
5.24 mm5.25 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555124321
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

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$7,100 HKD|Low: HK$4,621 HKD|High: HK$15,439 HKD|Avg: HK$7,832 HKD|+4.3%
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 9HK$5,044 HKD
Retailer 10HK$5,366 HKD
Retailer 6HK$5,468 HKD
Retailer 3HK$6,308 HKD
Retailer 11HK$6,668 HKD
Retailer 2HK$6,825 HKD
Retailer 1HK$7,100 HKD
Retailer 7HK$7,571 HKD
Retailer 5HK$8,512 HKD
Retailer 4HK$11,038 HKD
Retailer 8HK$15,392 HKD

44 data points across 11 retailers

19 retailersHK$5,044 HKD to HK$11,038 HKD

A
Cheapest Retailer
-
HK$5,044 HKD
Final sale: no returns
A
Retailer 2
-
HK$5,366 HKD
View
Retailer 3
-
HK$5,468 HKD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$5,468 HKD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$5,680 HKD
View
Price last confirmed 15 days ago
Retailer 6
-
HK$5,680 HKD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
HK$5,821 HKD
View
Retailer 8
-
HK$6,308 HKD
View
Price last confirmed 44 days ago
B+
Retailer 9
-
HK$6,308 HKD
View
B+
Retailer 10
-
HK$6,668 HKD
View
B+
Retailer 11
-
HK$6,668 HKD
View
B+
Retailer 12
-
HK$6,825 HKD
View
B+
Retailer 13
-
HK$7,100 HKD
View
B+
Retailer 14
-
HK$7,571 HKD
View
B
Retailer 15
-
HK$8,512 HKD
View
B
Retailer 16
-
HK$11,038 HKD
View
Retailer 17
-
HK$15,392 HKD
View
Price last confirmed 10 days ago
Retailer 18
-
HK$18,923 HKD
View
Price under review
Most Expensive
NZ Jewellers
9e226bee-398f-4050-a4f8-08bc5025664c · Sep 23
HK$18,923 HKD
$2,412 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$5,044 HKDSave up to HK$5,994 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
0.53ct Round
HK$5,044 HKD