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Princess|Natural|GIA

1.50ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 3545988731

Certificate GIA 3545988731

Diamond specifications and retailer prices

From $6,069 AUD
$4,253 USD
As of November 1, 2026
Save $6,001 AUD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,070 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural princess diamond

This 1.5ct 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 3545988731. Listed at 14 retailers as of October 30, 2026, with prices from $6,069 to $12,070, a $6,001 spread on the same certified stone. NZ Jewellers lists it at $12,070. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3545988731
Dimensions6.30 × 6.29 × 4.51 mm
L/W Ratio1.00
Top View
6.30 mm6.29 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3545988731
Side View
Table 72.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 71.7%

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 1
Current: $12,070 AUD|Low: $6,069 AUD|High: $12,671 AUD|Avg: $8,473 AUD|-4.7%
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
November 2, 2026
Retailer 4$6,069 AUD
Retailer 12$6,233 AUD
Retailer 8$6,234 AUD
Retailer 9$6,712 AUD
Retailer 5$6,952 AUD
Retailer 6$7,274 AUD
Retailer 10$7,420 AUD
Retailer 13$7,420 AUD
Retailer 2$8,165 AUD
Retailer 3$8,276 AUD
Retailer 11$10,548 AUD
Retailer 7$11,495 AUD
NZ Jewellers$12,070 AUD

41 data points across 13 retailers

14 retailers$6,069 AUD to $12,070 AUD

Retailer 1
-
$5,765 AUD
Price last confirmed 174 days ago
A
Retailer 2
-
$6,069 AUD
$4,253 USD
View
A
Retailer 3
-
$6,233 AUD
$4,368 USD
View
A
Retailer 4
-
$6,234 AUD
CA$6,068 CAD
View
B+
Retailer 5
-
$6,712 AUD
$4,704 USD
View
B+
Retailer 6
-
$6,952 AUD
$4,872 USD
View
B+
Retailer 7
-
$7,274 AUD
£4,014 GBP
View
B+
Retailer 8
-
$7,420 AUD
$5,200 USD
View
B+
Retailer 9
-
$7,420 AUD
$5,200 USD
View
B+
Retailer 10
-
$8,165 AUD
€5,450 EUR
View
B+
Retailer 11
-
$8,276 AUD
$5,800 USD
View
B
Retailer 12
-
$10,548 AUD
$7,392 USD
View
B
Retailer 13
-
$11,495 AUD
£6,343 GBP
View
Most Expensive
B
NZ Jewellers
ba9b3259-df4c-4680-b444-5b808ae388d2 · Oct 30
$12,070 AUD
$8,459 USD
View
13 more retailers have this diamond
Prices start from $6,069 AUDSave up to $6,001 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
1.50ct Princess
$6,069 AUD