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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1503101550

Certificate GIA 1503101550

Diamond specifications and retailer prices

From HK$1,851 HKD
As of November 6, 2026
Save HK$8,230 HKD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$10,081 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503101550. Listed at 15 retailers as of November 4, 2026, with prices from HK$1,851 to HK$10,081, a HK$8,230 spread on the same certified stone. NZ Jewellers lists it at HK$10,081. 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
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1503101550
Dimensions4.91 × 4.94 × 3.04 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Crystal
Top View
4.91 mm4.94 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1503101550
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

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$1,851 HKD|Low: HK$1,851 HKD|High: HK$6,143 HKD|Avg: HK$3,768 HKD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1HK$1,851 HKD
Retailer 6HK$3,115 HKD
Retailer 2HK$3,342 HKD
Retailer 3HK$3,530 HKD
Retailer 4HK$4,315 HKD
Retailer 5HK$6,072 HKD

41 data points across 6 retailers

15 retailersHK$1,851 HKD to HK$10,081 HKD

A
Cheapest Retailer
-
HK$1,851 HKD
A
Retailer 2
-
HK$2,628 HKD
View
Retailer 3
-
HK$2,832 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$2,887 HKD
View
B+
Retailer 5
-
HK$2,926 HKD
View
B+
Retailer 6
-
HK$2,934 HKD
View
B+
Retailer 7
-
HK$3,115 HKD
View
B+
Retailer 8
-
HK$3,342 HKD
View
B+
Retailer 9
-
HK$3,530 HKD
View
B+
Retailer 10
-
HK$3,538 HKD
View
B+
Retailer 11
-
HK$3,860 HKD
View
B+
Retailer 12
-
HK$4,150 HKD
View
B+
Retailer 13
-
HK$4,315 HKD
View
B
Retailer 14
-
HK$6,072 HKD
View
Most Expensive
C
NZ Jewellers
40551fbb-139f-461a-9534-dc504a8d4965 · Nov 4
HK$10,081 HKD
$1,285 USD
View
14 more retailers have this diamond
Prices start from HK$1,851 HKDSave up to HK$8,230 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$1,851 HKD