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Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6421533302

Certificate GIA 6421533302

Diamond specifications and retailer prices

From HK$4,197 HKD
As of November 6, 2026
Save HK$10,089 HKD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$17,871 HKD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct 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 6421533302. Listed at 17 retailers as of November 6, 2026, with a 240% 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

0.55
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6421533302
Dimensions5.22 × 5.18 × 3.26 mm
L/W Ratio1.01
Top View
5.22 mm5.18 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421533302
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

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$4,197 HKD|Low: HK$3,624 HKD|High: HK$10,560 HKD|Avg: HK$6,614 HKD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1HK$4,197 HKD
Retailer 7HK$5,256 HKD
Retailer 5HK$5,609 HKD
Retailer 3HK$6,731 HKD
Retailer 4HK$6,919 HKD
Retailer 2HK$7,367 HKD
Retailer 6HK$10,434 HKD

43 data points across 7 retailers

17 retailersHK$4,197 HKD to HK$14,286 HKD

A
Cheapest Retailer
-
HK$4,197 HKD
A
Retailer 2
-
HK$5,084 HKD
View
A
Retailer 3
-
HK$5,256 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$5,366 HKD
View
B+
Retailer 5
-
HK$5,609 HKD
View
Retailer 6
-
HK$5,703 HKD
View
Price last confirmed 53 days ago
Retailer 7
-
HK$5,703 HKD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$5,915 HKD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
HK$6,425 HKD
View
Retailer 10
-
HK$6,574 HKD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
HK$6,731 HKD
View
B+
Retailer 12
-
HK$6,731 HKD
View
B+
Retailer 13
-
HK$6,919 HKD
View
B+
Retailer 14
-
HK$7,367 HKD
View
B
Retailer 15
-
HK$10,434 HKD
View
B
Retailer 16
-
HK$14,286 HKD
View
Most Expensive
NZ Jewellers
44670bad-dd18-4c05-89e9-2ef39dd2ad25 · Sep 15
HK$17,871 HKD
$2,278 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from HK$4,197 HKDSave up to HK$10,089 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
0.55ct Round
HK$4,197 HKD