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Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1515100506

Certificate GIA 1515100506

Diamond specifications and retailer prices

From HK$38,677 HKD
As of November 1, 2026
Save HK$45,847 HKD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$84,524 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1515100506. Listed at 18 retailers as of November 1, 2026, with prices from HK$38,677 to HK$84,524, a HK$45,847 spread on the same certified stone. NZ Jewellers lists it at HK$84,524. 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

1.50
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1515100506
Dimensions7.27 × 7.24 × 4.51 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather, Crystal, Indented Natural, Cavity, Cloud, Needle, Natural
Top View
7.27 mm7.24 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515100506
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$84,524 HKD|Low: HK$35,217 HKD|High: HK$84,524 HKD|Avg: HK$55,987 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$38,677 HKD
Retailer 6HK$40,936 HKD
Retailer 8HK$42,262 HKD
Retailer 9HK$45,785 HKD
Retailer 3HK$47,401 HKD
Retailer 4HK$54,791 HKD
Retailer 2HK$65,037 HKD
Retailer 5HK$74,451 HKD
NZ JewellersHK$84,524 HKD

42 data points across 9 retailers

18 retailersHK$38,677 HKD to HK$84,524 HKD

B+
Cheapest Retailer
-
HK$38,677 HKD
B+
Retailer 2
-
HK$39,924 HKD
View
B
Retailer 3
-
HK$40,936 HKD
View
B
Retailer 4
-
HK$42,262 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$42,615 HKD
View
Retailer 6
-
HK$45,785 HKD
View
Price last confirmed 21 days ago
B
Retailer 7
-
HK$45,785 HKD
View
B
Retailer 8
-
HK$45,785 HKD
View
B+
Retailer 9
-
HK$47,401 HKD
View
B
Retailer 10
-
HK$51,072 HKD
View
B
Retailer 11
-
HK$51,072 HKD
View
B
Retailer 12
-
HK$52,798 HKD
View
B
Retailer 13
-
HK$52,830 HKD
View
B
Retailer 14
-
HK$54,791 HKD
View
Retailer 15
-
HK$55,717 HKD
View
Price last confirmed 14 days ago
B
Retailer 16
-
HK$65,037 HKD
View
B
Retailer 17
-
HK$74,451 HKD
View
Most Expensive
B
NZ Jewellers
906b3ef9-9193-40ff-b4d3-cb703e82cc8f · Nov 5
HK$84,524 HKD
$10,774 USD
View
17 more retailers have this diamond
Prices start from HK$38,677 HKDSave up to HK$45,847 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.

B+
1.50ct Round
HK$38,677 HKD