Princess|Natural|GIA

1.20ct I SI2 Princess Natural Diamond

EX • I/SI2 • GIA 2566368960

Certificate GIA 2566368960

Diamond specifications and retailer prices

From $1,567 USD
As of November 4, 2026
Save $1,242 USD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,809 USD 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 4, 2026, with prices from $1,567 to $2,809, a $1,242 spread on the same certified stone. Helzberg Diamonds lists it at $2,809. 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
Color
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 4
Current: $2,809 USD|Low: $1,567 USD|High: $3,104 USD|Avg: $2,005 USD|-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 6, 2026
Retailer 11$1,567 USD
Retailer 8$1,581 USD
Retailer 4$1,599 USD
Retailer 5$1,625 USD
Retailer 3$1,706 USD
Retailer 9$1,738 USD
Retailer 10$1,780 USD
Retailer 6$1,782 USD
Retailer 13$1,888 USD
Retailer 14$2,084 USD
Retailer 7$2,198 USD
Retailer 2$2,211 USD
Retailer 12$2,605 USD
Helzberg Diamonds$2,809 USD

22 data points across 14 retailers

14 retailers$1,567 USD to $2,809 USD

A
Cheapest Retailer
-
$1,567 USD
A
Retailer 2
-
$1,581 USD
View
A
Retailer 3
-
$1,599 USD
View
A
Retailer 4
-
$1,625 USD
View
A
Retailer 5
-
$1,706 USD
View
A
Retailer 6
-
$1,738 USD
View
A
Retailer 7
-
$1,780 USD
View
A
Retailer 8
-
$1,782 USD
View
A
Retailer 9
-
$1,888 USD
View
A
Retailer 10
-
$2,084 USD
View
B+
Retailer 11
-
$2,198 USD
View
B+
Retailer 12
-
$2,211 USD
View
B+
Retailer 13
-
$2,605 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRILMMJMOPMG · Nov 6
$2,809 USD
View
13 more retailers have this diamond
Prices start from $1,567 USDSave up to $1,242 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
$1,567 USD