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Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 6522970143

Certificate GIA 6522970143

Diamond specifications and retailer prices

From HK$34,602 HKD
As of November 5, 2026
Save HK$39,485 HKD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$74,087 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522970143. Listed at 20 retailers as of November 5, 2026, with prices from HK$34,602 to HK$74,087, a HK$39,485 spread on the same certified stone. NZ Jewellers lists it at HK$74,087. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.6°
Pavilion angle39.98°
OriginNatural
Grading LabGIA
CertificateGIA 6522970143
Dimensions6.29 × 6.28 × 4.51 mm
L/W Ratio1.00
Top View
6.29 mm6.28 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522970143
Side View
Table 74.0%Crown 23.6°Girdle: STK-THKPavilion 39.98°Culet: NoneDepth 71.8%

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 5
Current: HK$36,679 HKD|Low: HK$32,086 HKD|High: HK$71,391 HKD|Avg: HK$46,874 HKD|+8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2HK$34,994 HKD
Retailer 1HK$36,679 HKD
Retailer 10HK$37,690 HKD
Retailer 3HK$40,127 HKD
Retailer 5HK$42,784 HKD
Retailer 11HK$44,532 HKD
Retailer 7HK$45,857 HKD
Retailer 9HK$48,874 HKD
Retailer 4HK$49,360 HKD
Retailer 6HK$54,039 HKD
Retailer 8HK$70,356 HKD

46 data points across 11 retailers

20 retailersHK$34,602 HKD to HK$74,087 HKD

A
Cheapest Retailer
-
HK$34,602 HKD
A
Retailer 2
-
HK$34,994 HKD
View
B+
Retailer 3
-
HK$36,507 HKD
View
B+
Retailer 4
-
HK$36,679 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$37,690 HKD
View
B+
Retailer 6
-
HK$37,698 HKD
View
B+
Retailer 7
-
HK$39,728 HKD
View
Retailer 8
-
HK$40,127 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$40,127 HKD
View
B+
Retailer 10
-
HK$40,127 HKD
View
B+
Retailer 11
-
HK$41,201 HKD
View
B+
Retailer 12
-
HK$42,784 HKD
View
B+
Retailer 13
-
HK$43,983 HKD
View
Retailer 14
-
HK$44,532 HKD
View
Price last confirmed 19 days ago
B+
Retailer 15
-
HK$45,857 HKD
View
B
Retailer 16
-
HK$49,062 HKD
View
B+
Retailer 17
-
HK$49,360 HKD
View
B+
Retailer 18
-
HK$54,039 HKD
View
B
Retailer 19
-
HK$70,356 HKD
View
Most Expensive
B
NZ Jewellers
5274aeab-c718-48bf-9f4e-8a8ecabfa146 · Nov 5
HK$74,087 HKD
$9,453 USD
View
19 more retailers have this diamond
Prices start from HK$34,602 HKDSave up to HK$39,485 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
1.51ct Princess
HK$34,602 HKD