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Round|Natural|GIA

0.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5493426353

Certificate GIA 5493426353

Diamond specifications and retailer prices

From HK$4,582 HKD
As of November 4, 2026
Save HK$8,081 HKD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$17,189 HKD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5493426353. Listed at 10 retailers as of November 2, 2026, with a 176% 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5493426353
Dimensions5.17 × 5.15 × 3.25 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.17 mm5.15 mm0.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5493426353
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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 4
Current: HK$17,189 HKD|Low: HK$3,821 HKD|High: HK$17,189 HKD|Avg: HK$7,468 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 8HK$4,582 HKD
Retailer 6HK$4,942 HKD
Retailer 3HK$4,966 HKD
Retailer 9HK$5,350 HKD
Retailer 11HK$5,350 HKD
Retailer 10HK$5,727 HKD
Retailer 12HK$6,127 HKD
Retailer 2HK$6,668 HKD
Retailer 5HK$7,728 HKD
Retailer 4HK$8,245 HKD
Retailer 7HK$12,662 HKD
NZ JewellersHK$17,189 HKD

42 data points across 12 retailers

10 retailersHK$4,582 HKD to HK$12,662 HKD

A
Cheapest Retailer
-
HK$4,582 HKD
Final sale: no returns
A
Retailer 2
-
HK$4,942 HKD
View
A
Retailer 3
-
HK$5,170 HKD
View
Retailer 4
-
HK$5,350 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$5,350 HKD
View
Retailer 6
-
HK$5,727 HKD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
HK$6,668 HKD
View
B+
Retailer 8
-
HK$7,728 HKD
View
B
Retailer 9
-
HK$12,662 HKD
View
Most Expensive
NZ Jewellers
cafe6a60-ad8a-4dd9-a063-d242175ebeae · Oct 27
HK$17,189 HKD
$2,191 USD
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from HK$4,582 HKDSave up to HK$8,081 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$4,582 HKD