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1.22ct M SI1 Round Natural Diamond

EX • M/SI1 • HRD 240000187709

Shape and cutting style on the report: Brilliant

Certificate HRD 240000187709

Diamond specifications and retailer prices

From $1,788 AUD
As of November 5, 2026
Save $2,573 AUD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,361 AUD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by HRD 240000187709. Listed at 5 retailers as of November 5, 2026, with prices from $1,788 to $4,361, a $2,573 spread on the same certified stone. NZ Jewellers lists it at $4,361. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.6°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 240000187709
Dimensions6.77 × 6.82 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.77 mm6.82 mm1.22 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateHRD 240000187709
Side View
Table 56.0%Crown 36.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,361 AUD|Low: $1,257 AUD|High: $4,361 AUD|Avg: $2,128 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$1,257 AUD
Retailer 7$1,648 AUD
Retailer 2$1,788 AUD
Retailer 4$1,788 AUD
Retailer 5$1,857 AUD
Retailer 8$2,006 AUD
Retailer 3$2,063 AUD
Retailer 6$2,347 AUD
NZ Jewellers$4,361 AUD

14 data points across 9 retailers

5 retailers$1,788 AUD to $4,361 AUD

Retailer 1
-
$1,788 AUD
Price last confirmed 8 days ago
A
Retailer 2
-
$1,788 AUD
View
A
Retailer 3
-
$1,857 AUD
View
B+
Retailer 4
-
$2,063 AUD
View
Most Expensive
B
NZ Jewellers
29d234d2-2268-487b-9580-2aaa0c8767c6 · Nov 5
$4,361 AUD
$3,053 USD
View
4 more retailers have this diamond
Prices start from $1,788 AUDSave up to $2,573 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
$1,788 AUD