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Princess|Natural|GIA

1.20ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 3565369162

Certificate GIA 3565369162

Diamond specifications and retailer prices

From $1,991 USD
SGD 2,690 SGD
As of October 31, 2026
Save $1,883 USD (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,874 USD 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 $1,991 to $3,874, a $1,883 spread on the same certified stone. Helzberg Diamonds lists it at $3,874. 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
Color
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: $3,874 USD|Low: $1,991 USD|High: $3,913 USD|Avg: $2,623 USD|-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$1,991 USD
Retailer 13$2,144 USD
Retailer 14$2,150 USD
Retailer 11$2,162 USD
Retailer 12$2,170 USD
Retailer 6$2,355 USD
Retailer 9$2,364 USD
Retailer 8$2,466 USD
Retailer 4$2,559 USD
Retailer 15$2,560 USD
Retailer 5$2,704 USD
Retailer 2$2,774 USD
Retailer 10$3,050 USD
Retailer 16$3,295 USD
Retailer 7$3,580 USD
Helzberg Diamonds$3,874 USD

38 data points across 16 retailers

16 retailers$1,991 USD to $3,874 USD

A
Cheapest Retailer
-
$1,991 USD
SGD 2,690 SGD
A
Retailer 2
-
$2,144 USD
View
A
Retailer 3
-
$2,150 USD
View
A
Retailer 4
-
$2,162 USD
View
A
Retailer 5
-
$2,170 USD
View
B+
Retailer 6
-
$2,355 USD
SGD 3,182 SGD
View
B+
Retailer 7
-
$2,364 USD
£1,862 GBP
View
B+
Retailer 8
-
$2,466 USD
View
B+
Retailer 9
-
$2,559 USD
View
B+
Retailer 10
-
$2,560 USD
View
B+
Retailer 11
-
$2,704 USD
View
B+
Retailer 12
-
$2,774 USD
€2,642 EUR
View
B+
Retailer 13
-
$3,050 USD
View
B
Retailer 14
-
$3,295 USD
View
B
Retailer 15
-
$3,580 USD
View
Most Expensive
B
Helzberg Diamonds
XZRJLMLJMPHMI · Nov 1
$3,874 USD
View
15 more retailers have this diamond
Prices start from $1,991 USDSave up to $1,883 USD

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
$1,991 USD