CaratHunter
Plans
Princess|Natural|GIA

1.20ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 3565369162

Certificate GIA 3565369162

Diamond specifications and retailer prices

From $2,840 AUD
SGD 2,690 SGD
As of October 31, 2026
Save $2,687 AUD (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,528 AUD at Helzberg Diamonds · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565369162. Listed at 16 retailers as of October 31, 2026, with prices from $2,840 to $5,528, a $2,687 spread on the same certified stone. Helzberg Diamonds lists it at $5,528. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.85°
Pavilion angle37.88°
OriginNatural
Grading LabGIA
CertificateGIA 3565369162
Dimensions5.74 × 5.63 × 4.13 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.74 mm5.63 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565369162
Side View
Table 71.0%Crown 28.85°Girdle: ThickPavilion 37.88°Culet: NoneDepth 73.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,528 AUD|Low: $2,840 AUD|High: $5,583 AUD|Avg: $3,743 AUD|-1.0%
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
Retailer 16
November 2, 2026
Retailer 3$2,840 AUD
Retailer 13$3,059 AUD
Retailer 14$3,068 AUD
Retailer 11$3,084 AUD
Retailer 12$3,096 AUD
Retailer 6$3,360 AUD
Retailer 9$3,374 AUD
Retailer 8$3,519 AUD
Retailer 4$3,651 AUD
Retailer 15$3,653 AUD
Retailer 5$3,859 AUD
Retailer 2$3,958 AUD
Retailer 10$4,352 AUD
Retailer 16$4,702 AUD
Retailer 7$5,109 AUD
Helzberg Diamonds$5,528 AUD

38 data points across 16 retailers

16 retailers$2,840 AUD to $5,528 AUD

A
Cheapest Retailer
-
$2,840 AUD
SGD 2,690 SGD
A
Retailer 2
-
$3,059 AUD
$2,144 USD
View
A
Retailer 3
-
$3,068 AUD
$2,150 USD
View
A
Retailer 4
-
$3,084 AUD
$2,162 USD
View
A
Retailer 5
-
$3,096 AUD
$2,170 USD
View
B+
Retailer 6
-
$3,360 AUD
SGD 3,182 SGD
View
B+
Retailer 7
-
$3,374 AUD
£1,862 GBP
View
B+
Retailer 8
-
$3,519 AUD
$2,466 USD
View
B+
Retailer 9
-
$3,651 AUD
$2,559 USD
View
B+
Retailer 10
-
$3,653 AUD
$2,560 USD
View
B+
Retailer 11
-
$3,859 AUD
$2,704 USD
View
B+
Retailer 12
-
$3,958 AUD
€2,642 EUR
View
B+
Retailer 13
-
$4,352 AUD
$3,050 USD
View
B
Retailer 14
-
$4,702 AUD
$3,295 USD
View
B
Retailer 15
-
$5,109 AUD
$3,580 USD
View
Most Expensive
B
Helzberg Diamonds
XZRJLMLJMPHMI · Nov 1
$5,528 AUD
$3,874 USD
View
15 more retailers have this diamond
Prices start from $2,840 AUDSave up to $2,687 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
$2,840 AUD