CaratHunter
Plans
Princess|Natural|GIA

1.51ct E SI2 Princess Natural Diamond

EX • E/SI2 • GIA 6552168242

Certificate GIA 6552168242

Diamond specifications and retailer prices

From $5,933 AUD
As of November 4, 2026
Save $5,455 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,388 AUD at NZ Jewellers · As of November 2, 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 6552168242. Listed at 8 retailers as of November 2, 2026, with prices from $5,933 to $11,388, a $5,455 spread on the same certified stone. NZ Jewellers lists it at $11,388. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.59°
Pavilion angle38.06°
OriginNatural
Grading LabGIA
CertificateGIA 6552168242
Dimensions6.42 × 6.23 × 4.42 mm
L/W Ratio1.03
Girdle conditionThick
Key to symbols
Crystal, Feather, Cloud, Twinning Wisp, Needle
Top View
6.42 mm6.23 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552168242
Side View
Table 75.0%Crown 47.59°Girdle: STK-THKPavilion 38.06°Culet: NoneDepth 71.0%

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: $11,388 AUD|Low: $5,278 AUD|High: $11,388 AUD|Avg: $6,820 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$5,278 AUD
Retailer 10$5,803 AUD
Retailer 8$5,933 AUD
Retailer 6$6,158 AUD
Retailer 4$6,537 AUD
Retailer 5$6,537 AUD
Retailer 2$6,731 AUD
Retailer 11$6,800 AUD
Retailer 3$7,121 AUD
Retailer 7$10,411 AUD
NZ Jewellers$11,388 AUD

12 data points across 11 retailers

8 retailers$5,933 AUD to $11,388 AUD

Retailer 1
-
$5,278 AUD
Price last confirmed 16 days ago
A
Retailer 2
-
$5,933 AUD
View
A
Retailer 3
-
$6,158 AUD
View
A
Retailer 4
-
$6,537 AUD
View
A
Retailer 5
-
$6,537 AUD
View
A
Retailer 6
-
$6,731 AUD
View
B
Retailer 7
-
$10,411 AUD
View
Most Expensive
B
NZ Jewellers
6ce0d9e0-27a3-41a5-a8b5-4198f4fe3bca · Nov 2
$11,388 AUD
$7,972 USD
View
7 more retailers have this diamond
Prices start from $5,933 AUDSave up to $5,455 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
$5,933 AUD