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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1523229569

Certificate GIA 1523229569

Diamond specifications and retailer prices

From HK$1,530 HKD
As of November 6, 2026
Save HK$8,363 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$10,489 HKD at NZ Jewellers · As of September 21, 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 1523229569. Listed at 18 retailers as of November 4, 2026, with a 547% 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
FluorescenceStrong
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523229569
Dimensions4.99 × 4.96 × 3.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.99 mm4.96 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1523229569
Side View
Table 56.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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$9,893 HKD|Low: HK$1,530 HKD|High: HK$9,893 HKD|Avg: HK$3,439 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 2HK$1,530 HKD
Retailer 4HK$2,157 HKD
Retailer 13HK$2,181 HKD
Retailer 7HK$2,330 HKD
Retailer 5HK$2,432 HKD
Retailer 11HK$2,589 HKD
Retailer 8HK$2,738 HKD
Retailer 6HK$2,871 HKD
Retailer 14HK$2,942 HKD
Retailer 10HK$3,036 HKD
Retailer 9HK$3,695 HKD
Retailer 12HK$5,037 HKD
Retailer 3HK$6,574 HKD
NZ JewellersHK$9,893 HKD

38 data points across 14 retailers

18 retailersHK$1,530 HKD to HK$9,893 HKD

A
Cheapest Retailer
-
HK$1,530 HKD
A
Retailer 2
-
HK$1,906 HKD
View
A
Retailer 3
-
HK$2,157 HKD
View
A
Retailer 4
-
HK$2,181 HKD
View
Retailer 5
-
HK$2,314 HKD
View
Price last confirmed 50 days ago
A
Retailer 6
-
HK$2,330 HKD
View
A
Retailer 7
-
HK$2,432 HKD
View
A
Retailer 8
-
HK$2,589 HKD
View
A
Retailer 9
-
HK$2,738 HKD
View
A
Retailer 10
-
HK$2,871 HKD
View
A
Retailer 11
-
HK$2,942 HKD
View
A
Retailer 12
-
HK$3,036 HKD
View
Retailer 13
-
HK$3,115 HKD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
HK$3,695 HKD
View
B+
Retailer 15
-
HK$5,037 HKD
View
B
Retailer 16
-
HK$6,574 HKD
View
C
Retailer 17
-
HK$9,893 HKD
View
Most Expensive
NZ Jewellers
00322607-f4cd-432d-aa3c-c48732bef202 · Sep 21
HK$10,489 HKD
$1,337 USD
View
Price last confirmed 46 days ago
17 more retailers have this diamond
Prices start from HK$1,530 HKDSave up to HK$8,363 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$1,530 HKD