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Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 2554786900

Certificate GIA 2554786900

Diamond specifications and retailer prices

From $5,722 NZD
As of November 6, 2026
Save $2,073 NZD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,795 NZD 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 2554786900. Listed at 8 retailers as of November 6, 2026, with prices from $5,722 to $7,795, a $2,073 spread on the same certified stone. GemTrove lists it at $7,795. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554786900
Dimensions6.07 × 6.06 × 4.53 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.07 mm6.06 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554786900
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 74.7%

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: $5,722 NZD|Low: $5,722 NZD|High: $7,697 NZD|Avg: $6,412 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$5,722 NZD
Retailer 3$5,781 NZD
Retailer 4$6,052 NZD
Retailer 6$6,433 NZD
Retailer 2$6,527 NZD
Retailer 5$7,172 NZD

46 data points across 6 retailers

8 retailers$5,722 NZD to $7,795 NZD

A
Cheapest Retailer
-
$5,722 NZD
Retailer 2
-
$5,781 NZD
View
Price last confirmed 16 days ago
Retailer 3
-
$6,052 NZD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$6,433 NZD
View
A
Retailer 5
-
$6,527 NZD
View
Retailer 6
-
$7,172 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$7,277 NZD
View
Most Expensive
B+
GemTrove
GT-N-01307713-98 · Nov 6
$7,795 NZD
A$6,648 AUD
View
7 more retailers have this diamond
Prices start from $5,722 NZDSave up to $2,073 NZD

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
$5,722 NZD