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Princess|Natural|GIA

1.50ct H SI2 Princess Natural Diamond

ID • H/SI2 • GIA 12

Certificate GIA 12

Diamond specifications and retailer prices

From $3,882 AUD
As of November 4, 2026
Save $2,793 AUD (42%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,674 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $3,882 to $6,674, a $2,793 spread on the same certified stone. Helzberg Diamonds lists it at $6,674. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 12
Dimensions6.12 × 6.02 × 4.42 mm
L/W Ratio1.02
Top View
6.12 mm6.02 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 12
Side View
Table 73.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 73.4%

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 4
Current: $6,674 AUD|Low: $3,882 AUD|High: $6,843 AUD|Avg: $4,965 AUD|-2.5%
Helzberg Diamonds
Retailer 2
Retailer 3
October 7, 2026
Retailer 2$3,882 AUD
Retailer 3$4,545 AUD
Helzberg Diamonds$6,674 AUD

7 data points across 3 retailers

3 retailers$3,882 AUD to $6,674 AUD

A
Cheapest Retailer
-
$3,882 AUD
A
Retailer 2
-
$4,545 AUD
View
Most Expensive
B+
Helzberg Diamonds
XZRHIKMGKHGNJ · Nov 6
$6,674 AUD
$4,586 USD
View
2 more retailers have this diamond
Prices start from $3,882 AUDSave up to $2,793 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
$3,882 AUD