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Heart|Natural|HRD

1.23ct I SI2 Heart Natural Diamond

I/SI2 • HRD 180000005438

Shape and cutting style on the report: Heart

Certificate HRD 180000005438

Diamond specifications and retailer prices

From $3,876 AUD
As of November 5, 2026
Save $768 AUD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,644 AUD at Yorxs · As of November 6, 2026
View at Yorxs

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 180000005438. Listed at 2 retailers as of November 5, 2026, with prices from $3,876 to $4,644, a $768 spread on the same certified stone. Yorxs lists it at $4,644. 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
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 180000005438
Dimensions6.73 × 7.05 × 3.45 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Top View
6.73 mm7.05 mm1.23 ctI / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateHRD 180000005438
Side View
Table 69.0%CrownGirdlePavilionCulet: NoneDepth 49.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $4,212 AUD|Low: $3,876 AUD|High: $4,655 AUD|Avg: $4,236 AUD
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 2$3,876 AUD
Retailer 1$4,212 AUD
Yorxs$4,644 AUD

19 data points across 3 retailers

2 retailers$3,876 AUD to $4,644 AUD

B
Cheapest Retailer
-
$3,876 AUD
Most Expensive
C
Yorxs
357010342 · Nov 6
$4,644 AUD
€3,039 EUR
View
1 more retailer has this diamond
Prices start from $3,876 AUDSave up to $768 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.

B
1.23ct Heart
$3,876 AUD