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Princess|Natural|GIA

1.21ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 2243007455

Certificate GIA 2243007455

Diamond specifications and retailer prices

From $1,145 USD
As of October 31, 2026
Save $906 USD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,051 USD at Helzberg Diamonds · As of October 27, 2026
View at Helzberg Diamonds

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded J 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 2243007455. Listed at 12 retailers as of October 27, 2026, with prices from $1,145 to $2,051, a $906 spread on the same certified stone. Helzberg Diamonds lists it at $2,051. 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

1.21
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.72°
Pavilion angle38.35°
OriginNatural
Grading LabGIA
CertificateGIA 2243007455
Dimensions5.99 × 5.89 × 4.08 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.99 mm5.89 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2243007455
Side View
Table 73.0%Crown 23.72°Girdle: Slightly ThickPavilion 38.35°Culet: NoneDepth 69.2%

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: Oct 31
Current: $2,051 USD|Low: $1,145 USD|High: $2,226 USD|Avg: $1,533 USD|-7.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8$1,145 USD
Retailer 7$1,151 USD
Retailer 6$1,204 USD
Retailer 11$1,245 USD
Retailer 2$1,291 USD
Retailer 9$1,404 USD
Retailer 4$1,605 USD
Retailer 3$1,644 USD
Retailer 5$1,645 USD
Retailer 10$1,927 USD
Helzberg Diamonds$2,051 USD

42 data points across 11 retailers

12 retailers$1,145 USD to $2,051 USD

A
Cheapest Retailer
-
$1,145 USD
A
Retailer 2
-
$1,151 USD
SGD 1,556 SGD
View
A
Retailer 3
-
$1,204 USD
View
A
Retailer 4
-
$1,245 USD
SGD 1,683 SGD
View
A
Retailer 5
-
$1,291 USD
£1,017 GBP
View
A
Retailer 6
-
$1,404 USD
View
B+
Retailer 7
-
$1,543 USD
View
A
Retailer 8
-
$1,605 USD
View
B+
Retailer 9
-
$1,644 USD
View
B+
Retailer 10
-
$1,645 USD
€1,567 EUR
View
B+
Retailer 11
-
$1,927 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRIIKJGGNKLL · Oct 27
$2,051 USD
View
11 more retailers have this diamond
Prices start from $1,145 USDSave up to $906 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
1.21ct Princess
$1,145 USD