Princess|Natural|GIA

1.51ct E SI2 Princess Natural Diamond

EX • E/SI2 • GIA 2278203532

Certificate GIA 2278203532

Diamond specifications and retailer prices

From $4,077 AUD
As of November 4, 2026
Save $5,298 AUD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,375 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2278203532. Listed at 21 retailers as of November 4, 2026, with prices from $4,077 to $9,375, a $5,298 spread on the same certified stone. NZ Jewellers lists it at $9,375. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2278203532
Dimensions6.22 × 6.15 × 4.52 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeVery Small
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.22 mm6.15 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2278203532
Side View
Table 73.0%CrownGirdle: THK-VTKPavilionCulet: Very SmallDepth 73.4%

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: $9,375 AUD|Low: $3,894 AUD|High: $9,375 AUD|Avg: $5,647 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 17$4,077 AUD
Retailer 5$4,311 AUD
Retailer 15$4,393 AUD
Retailer 6$4,483 AUD
Retailer 20$4,555 AUD
Retailer 7$4,605 AUD
Retailer 10$4,875 AUD
Retailer 19$4,875 AUD
Retailer 18$4,985 AUD
Retailer 9$5,063 AUD
Retailer 16$5,084 AUD
Retailer 12$5,224 AUD
Retailer 3$5,528 AUD
Retailer 8$5,528 AUD
Retailer 13$5,568 AUD
Retailer 11$5,625 AUD
Retailer 4$5,714 AUD
Retailer 2$6,264 AUD
Retailer 14$8,974 AUD
NZ Jewellers$9,375 AUD

38 data points across 20 retailers

21 retailers$4,077 AUD to $9,375 AUD

A
Cheapest Retailer
-
$4,077 AUD
A
Retailer 2
-
$4,311 AUD
View
A
Retailer 3
-
$4,393 AUD
View
A
Retailer 4
-
$4,451 AUD
View
A
Retailer 5
-
$4,483 AUD
View
A
Retailer 6
-
$4,555 AUD
View
A
Retailer 7
-
$4,605 AUD
View
Final sale: no returns
Retailer 8
-
$4,875 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,875 AUD
View
A
Retailer 10
-
$4,985 AUD
View
A
Retailer 11
-
$5,063 AUD
View
A
Retailer 12
-
$5,084 AUD
View
A
Retailer 13
-
$5,224 AUD
View
A
Retailer 14
-
$5,528 AUD
View
A
Retailer 15
-
$5,528 AUD
View
A
Retailer 16
-
$5,568 AUD
View
A
Retailer 17
-
$5,625 AUD
View
A
Retailer 18
-
$5,714 AUD
View
A
Retailer 19
-
$6,264 AUD
View
B+
Retailer 20
-
$8,974 AUD
View
Most Expensive
B+
NZ Jewellers
69781e79-cb6c-48cd-be69-0f4cc319ee06 · Nov 5
$9,375 AUD
$6,563 USD
View
20 more retailers have this diamond
Prices start from $4,077 AUDSave up to $5,298 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
$4,077 AUD