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Heart|Natural|HRD

1.23ct I SI2 Heart Natural Diamond

I/SI2 • HRD 190000166365

Certificate HRD 190000166365

Diamond specifications and retailer prices

From $3,670 CAD
As of November 5, 2026
Save $3,342 CAD (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $7,012 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct natural heart diamond

This 1.23ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included) and certified by HRD 190000166365. Listed at 2 retailers as of November 4, 2026, with prices from $3,670 to $7,012, a $3,342 spread on the same certified stone. MOH London lists it at $7,012. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
I
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 190000166365
Dimensions6.09 × 8.14 × 3.46 mm
L/W Ratio1.34
Girdle conditionFaceted
Top View
6.09 mm8.14 mm1.23 ctI / SI2
OriginNatural
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateHRD 190000166365
Side View
Table 59.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 42.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,012 CAD|Low: $3,670 CAD|High: $7,115 CAD|Avg: $4,832 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 4$3,670 CAD
Retailer 3$3,996 CAD
Retailer 2$4,600 CAD
MOH London$7,012 CAD

8 data points across 4 retailers

2 retailers$3,670 CAD to $7,012 CAD

B
Cheapest Retailer
-
$3,670 CAD
Most Expensive
C
MOH London
2C36909E4 · Nov 4
$7,012 CAD
£3,925 GBP
View
1 more retailer has this diamond
Prices start from $3,670 CADSave up to $3,342 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.

B
1.23ct Heart
$3,670 CAD