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Round|Natural|GIA

1.51ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 1465591279

Certificate GIA 1465591279

Diamond specifications and retailer prices

From HK$19,888 HKD
As of November 5, 2026
Save HK$22,131 HKD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$42,019 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1465591279. Listed at 10 retailers as of November 5, 2026, with prices from HK$19,888 to HK$42,019, a HK$22,131 spread on the same certified stone. NZ Jewellers lists it at HK$42,019. 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

1.51
Carat
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1465591279
Dimensions7.32 × 7.37 × 4.55 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Cert comments
Pinpoints are not shown.
Key to symbols
Crystal
Top View
7.32 mm7.37 mm1.51 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1465591279
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.0%

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 5
Current: HK$42,019 HKD|Low: HK$19,888 HKD|High: HK$44,270 HKD|Avg: HK$26,792 HKD|-5.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9HK$19,888 HKD
Retailer 6HK$20,099 HKD
Retailer 8HK$20,099 HKD
Retailer 7HK$21,025 HKD
Retailer 5HK$21,198 HKD
Retailer 10HK$23,190 HKD
Retailer 4HK$24,532 HKD
Retailer 2HK$24,909 HKD
Retailer 11HK$30,486 HKD
Retailer 3HK$37,006 HKD
NZ JewellersHK$42,019 HKD

27 data points across 11 retailers

10 retailersHK$19,888 HKD to HK$42,019 HKD

B+
Cheapest Retailer
-
HK$19,888 HKD
B+
Retailer 2
-
HK$20,099 HKD
View
Retailer 3
-
HK$20,099 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$21,025 HKD
View
B+
Retailer 5
-
HK$21,198 HKD
View
B+
Retailer 6
-
HK$23,190 HKD
View
B+
Retailer 7
-
HK$24,532 HKD
View
B+
Retailer 8
-
HK$24,909 HKD
View
B
Retailer 9
-
HK$30,486 HKD
View
Most Expensive
C
NZ Jewellers
56d8278c-31ff-4446-a58b-c5b81d160973 · Nov 5
HK$42,019 HKD
$5,356 USD
View
9 more retailers have this diamond
Prices start from HK$19,888 HKDSave up to HK$22,131 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+
1.51ct Round
HK$19,888 HKD