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Princess|Natural|GIA

1.21ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 2245097251

Certificate GIA 2245097251

Diamond specifications and retailer prices

From $3,854 AUD
$2,707 USD
As of October 28, 2026
Save $3,473 AUD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,327 AUD 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 $3,854 to $7,327, a $3,473 spread on the same certified stone. Helzberg Diamonds lists it at $7,327. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $7,327 AUD|Low: $3,854 AUD|High: $7,327 AUD|Avg: $5,123 AUD
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 31, 2026
Retailer 12$3,854 AUD
Retailer 10$4,037 AUD
Retailer 6$4,154 AUD
Retailer 11$4,165 AUD
Retailer 9$4,221 AUD
Retailer 8$4,544 AUD
Retailer 5$4,642 AUD
Retailer 14$4,960 AUD
Retailer 4$5,087 AUD
Retailer 2$5,155 AUD
Retailer 7$6,015 AUD
Retailer 13$6,499 AUD
Retailer 3$7,007 AUD
Helzberg Diamonds$7,327 AUD

15 data points across 14 retailers

15 retailers$3,854 AUD to $7,327 AUD

B+
Cheapest Retailer
-
$3,854 AUD
$2,707 USD
B+
Retailer 2
-
$3,926 AUD
SGD 3,727 SGD
View
B+
Retailer 3
-
$4,037 AUD
$2,836 USD
View
B+
Retailer 4
-
$4,154 AUD
$2,918 USD
View
B+
Retailer 5
-
$4,165 AUD
$2,926 USD
View
B+
Retailer 6
-
$4,221 AUD
$2,965 USD
View
B+
Retailer 7
-
$4,544 AUD
£2,513 GBP
View
B+
Retailer 8
-
$4,642 AUD
SGD 4,406 SGD
View
B+
Retailer 9
-
$4,960 AUD
$3,484 USD
View
B+
Retailer 10
-
$5,087 AUD
$3,573 USD
View
B+
Retailer 11
-
$5,155 AUD
€3,449 EUR
View
B
Retailer 12
-
$6,015 AUD
$4,225 USD
View
B
Retailer 13
-
$6,499 AUD
$4,565 USD
View
B
Retailer 14
-
$7,007 AUD
$4,922 USD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKLGPNILH · Oct 30
$7,327 AUD
$5,147 USD
View
14 more retailers have this diamond
Prices start from $3,854 AUDSave up to $3,473 AUD

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
$3,854 AUD