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Princess|Natural|GIA

1.21ct H SI2 Princess Natural Diamond

EX • H/SI2 • GIA 5566714385

Certificate GIA 5566714385

Diamond specifications and retailer prices

From $2,659 AUD
As of November 4, 2026
Save $2,153 AUD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,812 AUD at Helzberg Diamonds · As of November 6, 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 H 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 5566714385. Listed at 10 retailers as of November 4, 2026, with prices from $2,659 to $4,812, a $2,153 spread on the same certified stone. Helzberg Diamonds lists it at $4,812. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.71°
Pavilion angle39.45°
OriginNatural
Grading LabGIA
CertificateGIA 5566714385
Dimensions5.87 × 5.77 × 4.22 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.87 mm5.77 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566714385
Side View
Table 74.0%Crown 28.71°Girdle: STK-THKPavilion 39.45°Culet: NDepth 73.1%

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: Nov 4
Current: $4,812 AUD|Low: $2,659 AUD|High: $4,812 AUD|Avg: $3,228 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8$2,659 AUD
Retailer 6$2,682 AUD
Retailer 10$2,920 AUD
Retailer 2$2,925 AUD
Retailer 5$3,049 AUD
Retailer 7$3,071 AUD
Retailer 3$3,203 AUD
Retailer 9$3,452 AUD
Retailer 4$4,443 AUD
Helzberg Diamonds$4,812 AUD

10 data points across 10 retailers

10 retailers$2,659 AUD to $4,812 AUD

A
Cheapest Retailer
-
$2,659 AUD
A
Retailer 2
-
$2,682 AUD
View
A
Retailer 3
-
$2,920 AUD
View
A
Retailer 4
-
$2,925 AUD
View
A
Retailer 5
-
$3,049 AUD
View
A
Retailer 6
-
$3,071 AUD
View
B+
Retailer 7
-
$3,203 AUD
View
B+
Retailer 8
-
$3,452 AUD
View
B
Retailer 9
-
$4,443 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMMNHKJOL · Nov 6
$4,812 AUD
$3,306 USD
View
9 more retailers have this diamond
Prices start from $2,659 AUDSave up to $2,153 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.

A
1.21ct Princess
$2,659 AUD