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Round|Natural|GIA

1.22ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1545657300

Certificate GIA 1545657300

Diamond specifications and retailer prices

From $3,258 AUD
As of November 4, 2026
Save $3,741 AUD (53%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,000 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.22ct natural round diamond

This 1.22ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1545657300. Listed at 4 retailers as of November 2, 2026, with prices from $3,258 to $7,000, a $3,741 spread on the same certified stone. NZ Jewellers lists it at $7,000. 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

1.22
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1545657300
Dimensions6.83 × 6.78 × 4.25 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.83 mm6.78 mm1.22 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545657300
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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: $7,000 AUD|Low: $3,258 AUD|High: $7,347 AUD|Avg: $5,264 AUD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 23, 2026
Retailer 2$3,258 AUD
Retailer 6$3,348 AUD
Retailer 5$3,503 AUD
Retailer 11$4,124 AUD
Retailer 3$4,333 AUD
Retailer 12$4,923 AUD
Retailer 4$6,001 AUD
Retailer 9$6,011 AUD
Retailer 7$6,223 AUD
Retailer 8$6,471 AUD
Retailer 10$6,925 AUD
NZ Jewellers$7,000 AUD

16 data points across 12 retailers

4 retailers$3,258 AUD to $7,000 AUD

A
Cheapest Retailer
-
$3,258 AUD
A
Retailer 2
-
$3,348 AUD
View
A
Retailer 3
-
$3,503 AUD
View
Most Expensive
B+
NZ Jewellers
01177998-dc7e-44ca-9fc8-d418a2b02b5a · Nov 2
$7,000 AUD
$4,900 USD
View
3 more retailers have this diamond
Prices start from $3,258 AUDSave up to $3,741 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
1.22ct Round
$3,258 AUD