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Round|Natural|GIA

0.55ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2566197610

Certificate GIA 2566197610

Diamond specifications and retailer prices

From HK$3,911 HKD
As of November 6, 2026
Save HK$7,869 HKD (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$18,018 HKD at NZ Jewellers · As of September 24, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566197610. Listed at 15 retailers as of November 4, 2026, with a 201% 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566197610
Dimensions5.19 × 5.23 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.19 mm5.23 mm0.55 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566197610
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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$3,911 HKD|Low: HK$3,911 HKD|High: HK$12,806 HKD|Avg: HK$6,275 HKD|-9.9%
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 1HK$3,911 HKD
Retailer 5HK$4,412 HKD
Retailer 3HK$4,569 HKD
Retailer 7HK$4,710 HKD
Retailer 11HK$5,157 HKD
Retailer 2HK$5,541 HKD
Retailer 8HK$6,105 HKD
Retailer 4HK$6,199 HKD
Retailer 9HK$6,787 HKD
Retailer 10HK$7,116 HKD
Retailer 6HK$11,780 HKD

36 data points across 11 retailers

15 retailersHK$3,911 HKD to HK$11,780 HKD

A
Cheapest Retailer
-
HK$3,911 HKD
A
Retailer 2
-
HK$4,412 HKD
View
Retailer 3
-
HK$4,569 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$4,710 HKD
View
Final sale: no returns
Retailer 5
-
HK$5,157 HKD
View
Price last confirmed 9 days ago
Retailer 6
-
HK$5,541 HKD
View
Price last confirmed 11 days ago
Retailer 7
-
HK$5,745 HKD
View
Price last confirmed 30 days ago
Retailer 8
-
HK$5,964 HKD
View
Price last confirmed 39 days ago
A
Retailer 9
-
HK$6,105 HKD
View
A
Retailer 10
-
HK$6,199 HKD
View
Retailer 11
-
HK$6,630 HKD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
HK$6,787 HKD
View
B+
Retailer 13
-
HK$7,116 HKD
View
B
Retailer 14
-
HK$11,780 HKD
View
Most Expensive
NZ Jewellers
d066c248-5048-4c7a-9907-7108ed5eaced · Sep 24
HK$18,018 HKD
$2,299 USD
View
Price last confirmed 43 days ago
14 more retailers have this diamond
Prices start from HK$3,911 HKDSave up to HK$7,869 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$3,911 HKD