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Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 2567125825

Certificate GIA 2567125825

Diamond specifications and retailer prices

From $4,896 AUD
As of November 6, 2026
Save $1,724 AUD (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,620 AUD at GemTrove · As of November 6, 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 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 2567125825. Listed at 9 retailers as of November 6, 2026, with prices from $4,896 to $6,620, a $1,724 spread on the same certified stone. GemTrove lists it at $6,620. 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
OriginNatural
Grading LabGIA
CertificateGIA 2567125825
Dimensions6.37 × 6.28 × 4.54 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Natural
Top View
6.37 mm6.28 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567125825
Side View
Table 71.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.2%

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: $4,896 AUD|Low: $4,896 AUD|High: $6,258 AUD|Avg: $5,474 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$4,896 AUD
Retailer 3$5,050 AUD
Retailer 7$5,255 AUD
Retailer 4$5,395 AUD
Retailer 2$5,605 AUD
Retailer 6$5,621 AUD
Retailer 5$6,258 AUD

46 data points across 7 retailers

9 retailers$4,896 AUD to $6,620 AUD

A
Cheapest Retailer
-
$4,896 AUD
Retailer 2
-
$5,050 AUD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$5,255 AUD
View
A
Retailer 4
-
$5,395 AUD
View
Final sale: no returns
A
Retailer 5
-
$5,605 AUD
View
A
Retailer 6
-
$5,621 AUD
View
B+
Retailer 7
-
$6,215 AUD
View
B+
Retailer 8
-
$6,258 AUD
View
Most Expensive
B+
GemTrove
GT-N-01307733-98 · Nov 6
$6,620 AUD
View
8 more retailers have this diamond
Prices start from $4,896 AUDSave up to $1,724 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
$4,896 AUD