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Princess|Natural|GIA

1.20ct I SI2 Princess Natural Diamond

EX • I/SI2 • GIA 2566368960

Certificate GIA 2566368960

Diamond specifications and retailer prices

From $2,281 AUD
As of November 6, 2026
Save $1,808 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,088 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded I 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 2566368960. Listed at 14 retailers as of November 6, 2026, with prices from $2,281 to $4,088, a $1,808 spread on the same certified stone. Helzberg Diamonds lists it at $4,088. 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

1.20
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.79°
Pavilion angle37.51°
OriginNatural
Grading LabGIA
CertificateGIA 2566368960
Dimensions5.74 × 5.63 × 4.12 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.74 mm5.63 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566368960
Side View
Table 72.0%Crown 30.79°Girdle: STK-THKPavilion 37.51°Culet: NDepth 73.2%

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 6
Current: $4,088 AUD|Low: $2,281 AUD|High: $4,518 AUD|Avg: $2,913 AUD|-9.5%
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
Retailer 14
November 7, 2026
Retailer 7$2,281 AUD
Retailer 13$2,281 AUD
Retailer 11$2,301 AUD
Retailer 6$2,365 AUD
Retailer 5$2,483 AUD
Retailer 2$2,522 AUD
Retailer 8$2,572 AUD
Retailer 12$2,591 AUD
Retailer 3$2,748 AUD
Retailer 4$3,033 AUD
Retailer 10$3,199 AUD
Retailer 9$3,218 AUD
Retailer 14$3,791 AUD
Helzberg Diamonds$4,088 AUD

21 data points across 14 retailers

14 retailers$2,281 AUD to $4,088 AUD

A
Cheapest Retailer
-
$2,281 AUD
A
Retailer 2
-
$2,281 AUD
View
A
Retailer 3
-
$2,301 AUD
View
A
Retailer 4
-
$2,365 AUD
View
A
Retailer 5
-
$2,483 AUD
View
A
Retailer 6
-
$2,522 AUD
View
A
Retailer 7
-
$2,572 AUD
View
A
Retailer 8
-
$2,591 AUD
View
A
Retailer 9
-
$2,748 AUD
View
A
Retailer 10
-
$3,033 AUD
View
B+
Retailer 11
-
$3,199 AUD
View
B+
Retailer 12
-
$3,218 AUD
View
B+
Retailer 13
-
$3,791 AUD
View
Most Expensive
B+
Helzberg Diamonds
XZRILMMJMOPMG · Nov 6
$4,088 AUD
$2,809 USD
View
13 more retailers have this diamond
Prices start from $2,281 AUDSave up to $1,808 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
1.20ct Princess
$2,281 AUD