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Princess|Natural|GIA

1.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 6565155424

Certificate GIA 6565155424

Diamond specifications and retailer prices

From HK$31,616 HKD
As of November 6, 2026
Save HK$8,574 HKD (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$40,190 HKD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565155424. Listed at 8 retailers as of November 5, 2026, with prices from HK$31,616 to HK$40,190, a HK$8,574 spread on the same certified stone. Blue Nile lists it at HK$40,190. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565155424
Dimensions6.20 × 6.02 × 4.63 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.20 mm6.02 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565155424
Side View
Table 70.0%CrownGirdle: ThickPavilionCulet: NoneDepth 76.9%

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$40,190 HKD|Low: HK$29,351 HKD|High: HK$40,512 HKD|Avg: HK$35,261 HKD|-0.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 4HK$31,616 HKD
Retailer 5HK$32,486 HKD
Retailer 3HK$33,787 HKD
Retailer 6HK$34,939 HKD
Retailer 2HK$35,590 HKD
Retailer 7HK$36,530 HKD
Blue NileHK$40,190 HKD

46 data points across 7 retailers

8 retailersHK$31,616 HKD to HK$40,190 HKD

A
Cheapest Retailer
-
HK$31,616 HKD
A
Retailer 2
-
HK$32,486 HKD
View
A
Retailer 3
-
HK$33,787 HKD
View
A
Retailer 4
-
HK$34,939 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$35,590 HKD
View
A
Retailer 6
-
HK$36,530 HKD
View
B+
Retailer 7
-
HK$39,947 HKD
View
Most Expensive
B+
Blue Nile
30112509 · Nov 5
HK$40,190 HKD
$5,128 USD
View
7 more retailers have this diamond
Prices start from HK$31,616 HKDSave up to HK$8,574 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$31,616 HKD