Princess|Natural|GIA

1.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 6565155424

Certificate GIA 6565155424

Diamond specifications and retailer prices

From $5,674 CAD
As of November 6, 2026
Save $1,539 CAD (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,213 CAD 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 $5,674 to $7,213, a $1,539 spread on the same certified stone. Blue Nile lists it at $7,213. 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
Color
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: $7,213 CAD|Low: $5,268 CAD|High: $7,271 CAD|Avg: $6,330 CAD|-0.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$5,674 CAD
Retailer 5$5,830 CAD
Retailer 2$6,064 CAD
Retailer 6$6,271 CAD
Retailer 4$6,406 CAD
Retailer 7$6,556 CAD
Blue Nile$7,213 CAD

45 data points across 7 retailers

8 retailers$5,674 CAD to $7,213 CAD

A
Cheapest Retailer
-
$5,674 CAD
A
Retailer 2
-
$5,830 CAD
View
A
Retailer 3
-
$6,064 CAD
View
A
Retailer 4
-
$6,271 CAD
View
Final sale: no returns
A
Retailer 5
-
$6,406 CAD
View
A
Retailer 6
-
$6,556 CAD
View
B+
Retailer 7
-
$7,169 CAD
View
Most Expensive
B+
Blue Nile
30112509 · Nov 5
$7,213 CAD
$5,128 USD
View
7 more retailers have this diamond
Prices start from $5,674 CADSave up to $1,539 CAD

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
$5,674 CAD