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Princess|Natural|GIA

1.20ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 6562584426

Certificate GIA 6562584426

Diamond specifications and retailer prices

From $4,303 AUD
As of November 4, 2026
Save $3,881 AUD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,184 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562584426. Listed at 15 retailers as of November 4, 2026, with prices from $4,303 to $8,184, a $3,881 spread on the same certified stone. Helzberg Diamonds lists it at $8,184. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.99°
Pavilion angle39.55°
OriginNatural
Grading LabGIA
CertificateGIA 6562584426
Dimensions5.82 × 5.76 × 4.18 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.82 mm5.76 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562584426
Side View
Table 73.0%Crown 22.99°Girdle: STK-THKPavilion 39.55°Culet: NDepth 72.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,184 AUD|Low: $4,303 AUD|High: $8,184 AUD|Avg: $5,670 AUD
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
Retailer 15
November 6, 2026
Retailer 11$4,303 AUD
Retailer 10$4,407 AUD
Retailer 7$4,480 AUD
Retailer 15$4,638 AUD
Retailer 3$4,648 AUD
Retailer 12$4,685 AUD
Retailer 9$5,020 AUD
Retailer 5$5,183 AUD
Retailer 13$5,507 AUD
Retailer 4$5,607 AUD
Retailer 8$5,720 AUD
Retailer 2$6,714 AUD
Retailer 14$7,257 AUD
Retailer 6$7,782 AUD
Helzberg Diamonds$8,184 AUD

22 data points across 15 retailers

15 retailers$4,303 AUD to $8,184 AUD

B+
Cheapest Retailer
-
$4,303 AUD
B+
Retailer 2
-
$4,407 AUD
View
B+
Retailer 3
-
$4,480 AUD
View
B+
Retailer 4
-
$4,638 AUD
View
B+
Retailer 5
-
$4,648 AUD
View
B+
Retailer 6
-
$4,685 AUD
View
B+
Retailer 7
-
$5,020 AUD
View
B+
Retailer 8
-
$5,183 AUD
View
B+
Retailer 9
-
$5,507 AUD
View
B+
Retailer 10
-
$5,607 AUD
View
B+
Retailer 11
-
$5,720 AUD
View
B
Retailer 12
-
$6,714 AUD
View
B
Retailer 13
-
$7,257 AUD
View
B
Retailer 14
-
$7,782 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMILOKKIM · Nov 6
$8,184 AUD
$5,729 USD
View
14 more retailers have this diamond
Prices start from $4,303 AUDSave up to $3,881 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.

B+
1.20ct Princess
$4,303 AUD