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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5476366359

Certificate GIA 5476366359

Diamond specifications and retailer prices

From HK$2,589 HKD
As of November 4, 2026
Save HK$8,473 HKD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$11,266 HKD at NZ Jewellers · As of September 15, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5476366359. Listed at 16 retailers as of November 4, 2026, with a 327% 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

0.45
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5476366359
Dimensions4.90 × 4.86 × 3.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.90 mm4.86 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5476366359
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 4
Current: HK$11,062 HKD|Low: HK$2,589 HKD|High: HK$11,266 HKD|Avg: HK$4,395 HKD|-1.8%
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
November 6, 2026
Retailer 7HK$2,589 HKD
Retailer 3HK$2,612 HKD
Retailer 11HK$2,816 HKD
Retailer 10HK$2,918 HKD
Retailer 9HK$2,958 HKD
Retailer 5HK$3,146 HKD
Retailer 4HK$3,522 HKD
Retailer 13HK$3,562 HKD
Retailer 2HK$3,695 HKD
Retailer 12HK$3,993 HKD
Retailer 6HK$5,248 HKD
Retailer 8HK$6,653 HKD
NZ JewellersHK$11,062 HKD

40 data points across 13 retailers

16 retailersHK$2,589 HKD to HK$11,062 HKD

A
Cheapest Retailer
-
HK$2,589 HKD
A
Retailer 2
-
HK$2,612 HKD
View
Retailer 3
-
HK$2,660 HKD
View
Price last confirmed 51 days ago
Retailer 4
-
HK$2,816 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,918 HKD
View
A
Retailer 6
-
HK$2,958 HKD
View
B+
Retailer 7
-
HK$3,522 HKD
View
B+
Retailer 8
-
HK$3,562 HKD
View
Retailer 9
-
HK$3,585 HKD
View
Price last confirmed 53 days ago
B+
Retailer 10
-
HK$3,695 HKD
View
B+
Retailer 11
-
HK$3,993 HKD
View
B+
Retailer 12
-
HK$4,401 HKD
View
B+
Retailer 13
-
HK$5,248 HKD
View
B
Retailer 14
-
HK$6,653 HKD
View
B
Retailer 15
-
HK$11,062 HKD
View
Most Expensive
NZ Jewellers
002be952-fe62-4d83-9b94-e61d8dcc6a1b · Sep 15
HK$11,266 HKD
$1,436 USD
View
Price last confirmed 52 days ago
15 more retailers have this diamond
Prices start from HK$2,589 HKDSave up to HK$8,473 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$2,589 HKD