CaratHunter
Plans
Princess|Natural|GIA

1.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 1545916614

Certificate GIA 1545916614

Diamond specifications and retailer prices

From $5,954 AUD
As of November 4, 2026
Save $2,047 AUD (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,001 AUD at GemTrove · As of November 7, 2026
View at GemTrove

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 1545916614. Listed at 9 retailers as of November 4, 2026, with prices from $5,954 to $8,001, a $2,047 spread on the same certified stone. GemTrove lists it at $8,001. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545916614
Dimensions6.22 × 6.22 × 4.50 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.22 mm6.22 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545916614
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.4%

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 4
Current: $5,958 AUD|Low: $5,314 AUD|High: $7,763 AUD|Avg: $6,466 AUD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$5,954 AUD
Retailer 1$5,958 AUD
Retailer 4$6,159 AUD
Retailer 7$6,271 AUD
Retailer 2$6,293 AUD
Retailer 6$6,449 AUD
Retailer 5$7,102 AUD

45 data points across 7 retailers

9 retailers$5,954 AUD to $8,001 AUD

A
Cheapest Retailer
-
$5,954 AUD
A
Retailer 2
-
$5,958 AUD
View
A
Retailer 3
-
$6,159 AUD
View
Final sale: no returns
A
Retailer 4
-
$6,271 AUD
View
A
Retailer 5
-
$6,293 AUD
View
A
Retailer 6
-
$6,449 AUD
View
A
Retailer 7
-
$7,102 AUD
View
B+
Retailer 8
-
$7,527 AUD
View
Most Expensive
B+
GemTrove
GT-N-01307669-98 · Nov 7
$8,001 AUD
View
8 more retailers have this diamond
Prices start from $5,954 AUDSave up to $2,047 AUD

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
$5,954 AUD