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1.23ct I SI2 Round Natural Diamond

EX • I/SI2 • HRD 250000277861

Certificate HRD 250000277861

Diamond specifications and retailer prices

From $2,441 CAD
A$2,688 AUD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: $5,737 CAD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 250000277861. Listed at 3 retailers as of October 31, 2026. 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

1.23
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabHRD
CertificateHRD 250000277861
Dimensions6.81 × 6.86 × 4.27 mm
L/W Ratio1.01
Top View
6.81 mm6.86 mm1.23 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateHRD 250000277861
Side View
Table 55.0%CrownGirdle: MediumPavilion 40.6°CuletDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,737 CAD|Low: $1,862 CAD|High: $5,737 CAD|Avg: $3,106 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 23, 2026
Retailer 3$1,862 CAD
Retailer 5$2,352 CAD
Retailer 4$2,441 CAD
Retailer 2$3,142 CAD
NZ Jewellers$5,737 CAD

4 data points across 5 retailers

3 retailers

Retailer 1
-
$2,352 CAD
$1,684 USD
Price last confirmed 44 days ago
A
Retailer 2
-
$2,441 CAD
A$2,688 AUD
View
Most Expensive
NZ Jewellers
7d0876c0-c9b2-4137-a00f-8a2ab66d7315 · Sep 15
$5,737 CAD
$4,107 USD
View
Price last confirmed 45 days ago
2 more retailers have this diamond
Prices start from $2,441 CAD

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
1.23ct Round
$2,441 CAD