Princess|Natural|GIA

1.21ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 2245097251

Certificate GIA 2245097251

Diamond specifications and retailer prices

From $2,707 USD
As of October 28, 2026
Save $2,440 USD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,147 USD at Helzberg Diamonds · As of October 30, 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 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 2245097251. Listed at 15 retailers as of October 28, 2026, with prices from $2,707 to $5,147, a $2,440 spread on the same certified stone. Helzberg Diamonds lists it at $5,147. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle25.79°
Pavilion angle39.27°
OriginNatural
Grading LabGIA
CertificateGIA 2245097251
Dimensions5.84 × 5.80 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.84 mm5.80 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245097251
Side View
Table 72.0%Crown 25.79°Girdle: MED-STKPavilion 39.27°Culet: NDepth 72.8%

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: Oct 28
Current: $5,147 USD|Low: $2,707 USD|High: $5,147 USD|Avg: $3,599 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
October 30, 2026
Retailer 12$2,707 USD
Retailer 10$2,836 USD
Retailer 6$2,918 USD
Retailer 11$2,926 USD
Retailer 9$2,965 USD
Retailer 7$3,192 USD
Retailer 5$3,260 USD
Retailer 14$3,484 USD
Retailer 4$3,573 USD
Retailer 8$3,615 USD
Retailer 2$4,225 USD
Retailer 13$4,565 USD
Retailer 3$4,922 USD
Helzberg Diamonds$5,147 USD

14 data points across 14 retailers

15 retailers$2,707 USD to $5,147 USD

B+
Cheapest Retailer
-
$2,707 USD
B+
Retailer 2
-
$2,758 USD
SGD 3,727 SGD
View
B+
Retailer 3
-
$2,836 USD
View
B+
Retailer 4
-
$2,918 USD
View
B+
Retailer 5
-
$2,926 USD
View
B+
Retailer 6
-
$2,965 USD
View
B+
Retailer 7
-
$3,192 USD
£2,513 GBP
View
B+
Retailer 8
-
$3,260 USD
SGD 4,406 SGD
View
B+
Retailer 9
-
$3,484 USD
View
B+
Retailer 10
-
$3,573 USD
View
B+
Retailer 11
-
$3,615 USD
€3,443 EUR
View
B
Retailer 12
-
$4,225 USD
View
B
Retailer 13
-
$4,565 USD
View
B
Retailer 14
-
$4,922 USD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKLGPNILH · Oct 30
$5,147 USD
View
14 more retailers have this diamond
Prices start from $2,707 USDSave up to $2,440 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+
1.21ct Princess
$2,707 USD