Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2308949230

Certificate GIA 2308949230

Diamond specifications and retailer prices

From HK$2,821 HKD
As of November 6, 2026
Save HK$10,032 HKD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$12,853 HKD at NZ Jewellers · As of November 4, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2308949230. Listed at 15 retailers as of November 4, 2026, with prices from HK$2,821 to HK$12,853, a HK$10,032 spread on the same certified stone. NZ Jewellers lists it at HK$12,853. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2308949230
Dimensions5.24 × 5.27 × 3.28 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.24 mm5.27 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2308949230
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$12,853 HKD|Low: HK$2,821 HKD|High: HK$12,853 HKD|Avg: HK$5,552 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
Retailer 13
Retailer 14
November 6, 2026
Retailer 6HK$2,821 HKD
Retailer 2HK$2,994 HKD
Retailer 13HK$4,099 HKD
Retailer 12HK$4,412 HKD
Retailer 14HK$4,412 HKD
Retailer 4HK$4,726 HKD
Retailer 5HK$4,726 HKD
Retailer 7HK$5,063 HKD
Retailer 8HK$5,510 HKD
Retailer 11HK$5,682 HKD
Retailer 3HK$5,729 HKD
Retailer 9HK$6,356 HKD
Retailer 10HK$9,452 HKD
NZ JewellersHK$12,853 HKD

33 data points across 14 retailers

15 retailersHK$2,821 HKD to HK$12,853 HKD

A
Cheapest Retailer
-
HK$2,821 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,994 HKD
View
A
Retailer 3
-
HK$4,099 HKD
View
Retailer 4
-
HK$4,412 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$4,412 HKD
View
B+
Retailer 6
-
HK$4,726 HKD
View
B+
Retailer 7
-
HK$4,726 HKD
View
B+
Retailer 8
-
HK$5,063 HKD
View
B+
Retailer 9
-
HK$5,510 HKD
View
B
Retailer 10
-
HK$5,682 HKD
View
B+
Retailer 11
-
HK$5,729 HKD
View
B+
Retailer 12
-
HK$6,356 HKD
View
Retailer 13
-
HK$6,395 HKD
View
Price last confirmed 33 days ago
B
Retailer 14
-
HK$9,452 HKD
View
Most Expensive
B
NZ Jewellers
8cfbbe36-69f1-4f47-a42c-a4d6403e2c2e · Nov 4
HK$12,853 HKD
$1,640 USD
View
14 more retailers have this diamond
Prices start from HK$2,821 HKDSave up to HK$10,032 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$2,821 HKD