Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 2567125825

Certificate GIA 2567125825

Diamond specifications and retailer prices

From $3,364 USD
As of November 6, 2026
Save $1,185 USD (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,549 USD 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 $3,364 to $4,549, a $1,185 spread on the same certified stone. GemTrove lists it at $4,549. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,364 USD|Low: $3,364 USD|High: $4,300 USD|Avg: $3,761 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$3,364 USD
Retailer 3$3,470 USD
Retailer 7$3,611 USD
Retailer 4$3,707 USD
Retailer 2$3,851 USD
Retailer 6$3,862 USD
Retailer 5$4,300 USD

46 data points across 7 retailers

9 retailers$3,364 USD to $4,549 USD

A
Cheapest Retailer
-
$3,364 USD
Retailer 2
-
$3,470 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$3,611 USD
View
A
Retailer 4
-
$3,707 USD
View
Final sale: no returns
A
Retailer 5
-
$3,851 USD
View
A
Retailer 6
-
$3,862 USD
View
B+
Retailer 7
-
$4,270 USD
View
B+
Retailer 8
-
$4,300 USD
View
Most Expensive
B+
GemTrove
GT-N-01307733-98 · Nov 6
$4,549 USD
A$6,998 AUD
View
8 more retailers have this diamond
Prices start from $3,364 USDSave up to $1,185 USD

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
$3,364 USD