Princess|Natural|GIA

1.20ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 6562584426

Certificate GIA 6562584426

Diamond specifications and retailer prices

From $3,012 USD
As of November 4, 2026
Save $2,717 USD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,729 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 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 $3,012 to $5,729, a $2,717 spread on the same certified stone. Helzberg Diamonds lists it at $5,729. 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
Color
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: $5,729 USD|Low: $3,012 USD|High: $5,729 USD|Avg: $3,969 USD
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$3,012 USD
Retailer 9$3,085 USD
Retailer 7$3,136 USD
Retailer 15$3,247 USD
Retailer 3$3,254 USD
Retailer 12$3,280 USD
Retailer 8$3,514 USD
Retailer 5$3,628 USD
Retailer 13$3,855 USD
Retailer 4$3,925 USD
Retailer 2$4,004 USD
Retailer 10$4,700 USD
Retailer 14$5,080 USD
Retailer 6$5,448 USD
Helzberg Diamonds$5,729 USD

22 data points across 15 retailers

15 retailers$3,012 USD to $5,729 USD

B+
Cheapest Retailer
-
$3,012 USD
B+
Retailer 2
-
$3,085 USD
View
B+
Retailer 3
-
$3,136 USD
View
B+
Retailer 4
-
$3,247 USD
View
B+
Retailer 5
-
$3,254 USD
View
B+
Retailer 6
-
$3,280 USD
View
B+
Retailer 7
-
$3,514 USD
View
B+
Retailer 8
-
$3,628 USD
View
B+
Retailer 9
-
$3,855 USD
View
B+
Retailer 10
-
$3,925 USD
View
B+
Retailer 11
-
$4,004 USD
View
B
Retailer 12
-
$4,700 USD
View
B
Retailer 13
-
$5,080 USD
View
B
Retailer 14
-
$5,448 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMILOKKIM · Nov 6
$5,729 USD
View
14 more retailers have this diamond
Prices start from $3,012 USDSave up to $2,717 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.

B+
1.20ct Princess
$3,012 USD