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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566515261

Certificate GIA 2566515261

Diamond specifications and retailer prices

From HK$2,124 HKD
As of November 6, 2026
Save HK$9,029 HKD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$11,153 HKD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566515261. Listed at 20 retailers as of November 4, 2026, with prices from HK$2,124 to HK$11,153, a HK$9,029 spread on the same certified stone. NZ Jewellers lists it at HK$11,153. 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

0.45
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566515261
Dimensions4.91 × 4.93 × 3.04 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather
Top View
4.91 mm4.93 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566515261
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.7%

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$11,153 HKD|Low: HK$2,124 HKD|High: HK$11,396 HKD|Avg: HK$4,303 HKD|-2.1%
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
November 6, 2026
Retailer 12HK$2,124 HKD
Retailer 4HK$2,508 HKD
Retailer 11HK$2,814 HKD
Retailer 19HK$2,908 HKD
Retailer 15HK$3,127 HKD
Retailer 10HK$3,205 HKD
Retailer 2HK$3,276 HKD
Retailer 18HK$3,731 HKD
Retailer 17HK$3,825 HKD
Retailer 7HK$3,919 HKD
Retailer 14HK$3,934 HKD
Retailer 5HK$4,193 HKD
Retailer 9HK$4,444 HKD
Retailer 3HK$4,530 HKD
Retailer 8HK$4,624 HKD
Retailer 16HK$4,851 HKD
Retailer 13HK$5,855 HKD
Retailer 6HK$6,701 HKD
NZ JewellersHK$11,153 HKD

19 data points across 19 retailers

20 retailersHK$2,124 HKD to HK$11,153 HKD

A
Cheapest Retailer
-
HK$2,124 HKD
A
Retailer 2
-
HK$2,508 HKD
View
A
Retailer 3
-
HK$2,814 HKD
View
A
Retailer 4
-
HK$2,908 HKD
View
A
Retailer 5
-
HK$3,127 HKD
View
Retailer 6
-
HK$3,205 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$3,276 HKD
View
A
Retailer 8
-
HK$3,315 HKD
View
B+
Retailer 9
-
HK$3,731 HKD
View
B+
Retailer 10
-
HK$3,825 HKD
View
B+
Retailer 11
-
HK$3,919 HKD
View
B+
Retailer 12
-
HK$3,934 HKD
View
B+
Retailer 13
-
HK$4,193 HKD
View
B+
Retailer 14
-
HK$4,444 HKD
View
B+
Retailer 15
-
HK$4,530 HKD
View
B+
Retailer 16
-
HK$4,624 HKD
View
B+
Retailer 17
-
HK$4,851 HKD
View
B
Retailer 18
-
HK$5,855 HKD
View
B
Retailer 19
-
HK$6,701 HKD
View
Most Expensive
B
NZ Jewellers
0a2bfe8e-fc94-4022-b8e1-13fced6c462f · Nov 4
HK$11,153 HKD
$1,423 USD
View
19 more retailers have this diamond
Prices start from HK$2,124 HKDSave up to HK$9,029 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
0.45ct Round
HK$2,124 HKD