Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6565385552

Certificate GIA 6565385552

Diamond specifications and retailer prices

From HK$3,785 HKD
As of November 6, 2026
Save HK$8,096 HKD (68%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$17,274 HKD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565385552. Listed at 23 retailers as of November 4, 2026, with a 214% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6565385552
Dimensions5.26 × 5.30 × 3.25 mm
L/W Ratio1.01
Key to symbols
Feather
Top View
5.26 mm5.30 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565385552
Side View
Table 57.0%Crown 33°Girdle: NUL-NULPavilion 41.4°Culet: NoneDepth 61.5%

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$17,274 HKD|Low: HK$3,785 HKD|High: HK$17,423 HKD|Avg: HK$6,810 HKD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 2HK$3,785 HKD
Retailer 7HK$4,099 HKD
Retailer 21HK$4,311 HKD
Retailer 9HK$4,749 HKD
Retailer 8HK$4,922 HKD
Retailer 5HK$5,094 HKD
Retailer 10HK$5,322 HKD
Retailer 20HK$5,353 HKD
Retailer 12HK$5,510 HKD
Retailer 4HK$6,184 HKD
Retailer 15HK$6,254 HKD
Retailer 11HK$6,301 HKD
Retailer 16HK$6,317 HKD
Retailer 14HK$6,411 HKD
Retailer 18HK$6,583 HKD
Retailer 13HK$6,630 HKD
Retailer 17HK$6,850 HKD
Retailer 3HK$7,085 HKD
Retailer 19HK$7,947 HKD
Retailer 6HK$11,881 HKD
NZ JewellersHK$17,274 HKD

12 data points across 21 retailers

23 retailersHK$3,785 HKD to HK$11,881 HKD

A
Cheapest Retailer
-
HK$3,785 HKD
A
Retailer 2
-
HK$4,099 HKD
View
A
Retailer 3
-
HK$4,311 HKD
View
A
Retailer 4
-
HK$4,749 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$4,922 HKD
View
Retailer 6
-
HK$5,079 HKD
View
Price last confirmed 25 days ago
A
Retailer 7
-
HK$5,094 HKD
View
A
Retailer 8
-
HK$5,322 HKD
View
A
Retailer 9
-
HK$5,353 HKD
View
Retailer 10
-
HK$5,510 HKD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$6,184 HKD
View
B+
Retailer 12
-
HK$6,254 HKD
View
B+
Retailer 13
-
HK$6,301 HKD
View
B+
Retailer 14
-
HK$6,317 HKD
View
Retailer 15
-
HK$6,411 HKD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
HK$6,583 HKD
View
B+
Retailer 17
-
HK$6,630 HKD
View
B+
Retailer 18
-
HK$6,850 HKD
View
B+
Retailer 19
-
HK$7,085 HKD
View
B+
Retailer 20
-
HK$7,947 HKD
View
Retailer 21
-
HK$8,707 HKD
View
Price last confirmed 33 days ago
B
Retailer 22
-
HK$11,881 HKD
View
Most Expensive
NZ Jewellers
5e2894fb-3241-4d2e-810e-c65ea367873d · Oct 30
HK$17,274 HKD
$2,204 USD
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from HK$3,785 HKDSave up to HK$8,096 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
0.55ct Round
HK$3,785 HKD