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Princess|Natural|GIA

1.50ct G SI2 Princess Natural Diamond

EX • G/SI2 • GIA 6541781998

Certificate GIA 6541781998

Diamond specifications and retailer prices

From $3,662 AUD
SGD 3,476 SGD
As of October 31, 2026
Save $3,174 AUD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,836 AUD at Helzberg Diamonds · As of October 28, 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 G 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 6541781998. Listed at 13 retailers as of October 28, 2026, with prices from $3,662 to $6,836, a $3,174 spread on the same certified stone. Helzberg Diamonds lists it at $6,836. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.21°
Pavilion angle37.94°
OriginNatural
Grading LabGIA
CertificateGIA 6541781998
Dimensions6.13 × 6.12 × 4.47 mm
L/W Ratio1.00
Top View
6.13 mm6.12 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541781998
Side View
Table 71.0%Crown 30.21°Girdle: THK-VTKPavilion 37.94°Culet: NoneDepth 73.0%

Caratlytics Score

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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: Oct 31
Current: $6,836 AUD|Low: $3,662 AUD|High: $7,287 AUD|Avg: $4,993 AUD|-5.9%
Helzberg Diamonds
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 1, 2026
Retailer 9$3,662 AUD
Retailer 7$3,909 AUD
Retailer 6$3,977 AUD
Retailer 2$4,292 AUD
Retailer 13$4,332 AUD
Retailer 11$4,645 AUD
Retailer 4$4,662 AUD
Retailer 8$4,684 AUD
Retailer 12$4,788 AUD
Retailer 5$5,193 AUD
Retailer 10$5,610 AUD
Retailer 3$6,761 AUD
Helzberg Diamonds$6,836 AUD

32 data points across 13 retailers

13 retailers$3,662 AUD to $6,836 AUD

A
Cheapest Retailer
-
$3,662 AUD
SGD 3,476 SGD
A
Retailer 2
-
$3,909 AUD
$2,746 USD
View
A
Retailer 3
-
$3,977 AUD
$2,794 USD
View
A
Retailer 4
-
$4,292 AUD
£2,374 GBP
View
A
Retailer 5
-
$4,332 AUD
SGD 4,112 SGD
View
A
Retailer 6
-
$4,645 AUD
$3,263 USD
View
A
Retailer 7
-
$4,662 AUD
$3,275 USD
View
A
Retailer 8
-
$4,684 AUD
$3,290 USD
View
A
Retailer 9
-
$4,788 AUD
$3,363 USD
View
A
Retailer 10
-
$5,105 AUD
$3,586 USD
View
A
Retailer 11
-
$5,610 AUD
$3,941 USD
View
A
Retailer 12
-
$6,761 AUD
$4,749 USD
View
Most Expensive
A
Helzberg Diamonds
XZRMLKHNOHPPO · Oct 28
$6,836 AUD
$4,802 USD
View
12 more retailers have this diamond
Prices start from $3,662 AUDSave up to $3,174 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
$3,662 AUD