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Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555670529

Certificate GIA 3555670529

Diamond specifications and retailer prices

From HK$4,013 HKD
As of November 6, 2026
Save HK$12,501 HKD (76%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$17,979 HKD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555670529. Listed at 24 retailers as of November 5, 2026, with a 312% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555670529
Dimensions5.19 × 5.23 × 3.24 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud
Top View
5.19 mm5.23 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555670529
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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$6,913 HKD|Low: HK$4,013 HKD|High: HK$10,628 HKD|Avg: HK$7,500 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 3HK$4,013 HKD
Retailer 5HK$6,427 HKD
Retailer 6HK$6,474 HKD
Retailer 2HK$6,623 HKD
Retailer 10HK$6,623 HKD
Retailer 12HK$6,772 HKD
Retailer 1HK$6,913 HKD
Retailer 7HK$7,383 HKD
Retailer 9HK$7,422 HKD
Retailer 8HK$8,002 HKD
Retailer 4HK$8,621 HKD
Retailer 13HK$8,848 HKD
Retailer 11HK$10,439 HKD

44 data points across 13 retailers

24 retailersHK$4,013 HKD to HK$16,513 HKD

A
Cheapest Retailer
-
HK$4,013 HKD
Final sale: no returns
Retailer 2
-
HK$5,094 HKD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$5,196 HKD
View
Retailer 4
-
HK$5,196 HKD
View
Price last confirmed 68 days ago
A
Retailer 5
-
HK$5,322 HKD
View
A
Retailer 6
-
HK$5,392 HKD
View
Retailer 7
-
HK$5,996 HKD
View
Price last confirmed 46 days ago
B+
Retailer 8
-
HK$6,043 HKD
View
B+
Retailer 9
-
HK$6,372 HKD
View
B+
Retailer 10
-
HK$6,474 HKD
View
B+
Retailer 11
-
HK$6,623 HKD
View
B+
Retailer 12
-
HK$6,623 HKD
View
B+
Retailer 13
-
HK$6,772 HKD
View
B+
Retailer 14
-
HK$6,881 HKD
View
B+
Retailer 15
-
HK$6,913 HKD
View
B+
Retailer 16
-
HK$7,289 HKD
View
B+
Retailer 17
-
HK$7,383 HKD
View
B+
Retailer 18
-
HK$7,422 HKD
View
B+
Retailer 19
-
HK$8,002 HKD
View
Retailer 20
-
HK$8,621 HKD
View
Price last confirmed 34 days ago
B
Retailer 21
-
HK$8,848 HKD
View
B
Retailer 22
-
HK$10,439 HKD
View
B
Retailer 23
-
HK$16,513 HKD
View
Most Expensive
NZ Jewellers
67698757-780f-404d-855a-2be4db3f102c · Oct 17
HK$17,979 HKD
$2,294 USD
View
Price last confirmed 21 days ago
23 more retailers have this diamond
Prices start from HK$4,013 HKDSave up to HK$12,501 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$4,013 HKD