Princess|Natural|GIA

1.20ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 6562490856

Certificate GIA 6562490856

Diamond specifications and retailer prices

From $2,815 USD
As of November 4, 2026
Save $2,540 USD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,355 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 6562490856. Listed at 15 retailers as of November 4, 2026, with prices from $2,815 to $5,355, a $2,540 spread on the same certified stone. Helzberg Diamonds lists it at $5,355. 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 angle28.65°
Pavilion angle38.45°
OriginNatural
Grading LabGIA
CertificateGIA 6562490856
Dimensions5.75 × 5.69 × 4.18 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.75 mm5.69 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562490856
Side View
Table 72.0%Crown 28.65°Girdle: STK-THKPavilion 38.45°Culet: NDepth 73.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,355 USD|Low: $2,815 USD|High: $5,355 USD|Avg: $3,734 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 6$2,815 USD
Retailer 9$2,884 USD
Retailer 11$3,021 USD
Retailer 15$3,036 USD
Retailer 4$3,043 USD
Retailer 12$3,080 USD
Retailer 8$3,286 USD
Retailer 5$3,392 USD
Retailer 14$3,616 USD
Retailer 7$3,698 USD
Retailer 2$3,744 USD
Retailer 10$4,394 USD
Retailer 3$4,748 USD
Retailer 13$5,108 USD
Helzberg Diamonds$5,355 USD

31 data points across 15 retailers

15 retailers$2,815 USD to $5,355 USD

B+
Cheapest Retailer
-
$2,815 USD
B+
Retailer 2
-
$2,884 USD
View
B+
Retailer 3
-
$3,021 USD
View
B+
Retailer 4
-
$3,036 USD
View
B+
Retailer 5
-
$3,043 USD
View
B+
Retailer 6
-
$3,080 USD
View
B+
Retailer 7
-
$3,286 USD
View
B+
Retailer 8
-
$3,392 USD
View
B+
Retailer 9
-
$3,616 USD
View
B+
Retailer 10
-
$3,698 USD
View
B+
Retailer 11
-
$3,744 USD
View
B
Retailer 12
-
$4,394 USD
View
B
Retailer 13
-
$4,748 USD
View
B
Retailer 14
-
$5,108 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMIKPGOLM · Nov 6
$5,355 USD
View
14 more retailers have this diamond
Prices start from $2,815 USDSave up to $2,540 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
$2,815 USD