Princess|Natural|GIA

1.20ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 2456418545

Certificate GIA 2456418545

Diamond specifications and retailer prices

From $1,964 AUD
As of November 6, 2026
Save $4,463 AUD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,427 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2456418545. Listed at 15 retailers as of November 2, 2026, with prices from $1,964 to $6,427, a $4,463 spread on the same certified stone. NZ Jewellers lists it at $6,427. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2456418545
Dimensions5.50 × 5.42 × 4.52 mm
L/W Ratio1.01
Top View
5.50 mm5.42 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2456418545
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: NoneDepth 83.3%

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: $6,427 AUD|Low: $1,964 AUD|High: $6,427 AUD|Avg: $3,171 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$1,964 AUD
Retailer 4$2,564 AUD
Retailer 7$2,634 AUD
Retailer 10$2,634 AUD
Retailer 9$2,757 AUD
Retailer 3$2,860 AUD
Retailer 8$3,040 AUD
Retailer 6$3,207 AUD
Retailer 5$3,584 AUD
NZ Jewellers$6,427 AUD

31 data points across 10 retailers

15 retailers$1,964 AUD to $6,427 AUD

A
Cheapest Retailer
-
$1,964 AUD
B+
Retailer 2
-
$2,400 AUD
View
B+
Retailer 3
-
$2,443 AUD
View
B+
Retailer 4
-
$2,521 AUD
View
B+
Retailer 5
-
$2,564 AUD
View
Retailer 6
-
$2,634 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,634 AUD
View
B+
Retailer 8
-
$2,714 AUD
View
B+
Retailer 9
-
$2,757 AUD
View
B+
Retailer 10
-
$2,860 AUD
View
B
Retailer 11
-
$3,040 AUD
View
Retailer 12
-
$3,040 AUD
View
Price last confirmed 16 days ago
Retailer 13
-
$3,207 AUD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$3,584 AUD
View
Most Expensive
C
NZ Jewellers
a9769b45-48c6-4102-b21c-1b48ed182b8c · Nov 2
$6,427 AUD
$4,499 USD
View
14 more retailers have this diamond
Prices start from $1,964 AUDSave up to $4,463 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
$1,964 AUD