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Heart|Natural|HRD

1.23ct K SI2 Heart Natural Diamond

K/SI2 • HRD 190000105973

Shape and cutting style on the report: Heart

Certificate HRD 190000105973

Diamond specifications and retailer prices

From $3,463 SGD
As of November 6, 2026
Save $1,285 SGD (27%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,748 SGD 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 K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 190000105973. Listed at 2 retailers as of November 4, 2026, with prices from $3,463 to $4,748, a $1,285 spread on the same certified stone. MOH London lists it at $4,748. 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
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 190000105973
Dimensions6.57 × 7.23 × 3.14 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
6.57 mm7.23 mm1.23 ctK / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateHRD 190000105973
Side View
Table 63.0%CrownGirdlePavilionCulet: 23.Depth 43.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $4,748 SGD|Low: $2,812 SGD|High: $4,818 SGD|Avg: $3,684 SGD|-1.4%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$2,812 SGD
Retailer 2$3,463 SGD
MOH London$4,748 SGD

22 data points across 3 retailers

2 retailers$3,463 SGD to $4,748 SGD

B
Cheapest Retailer
-
$3,463 SGD
Most Expensive
C
MOH London
39381A28F · Nov 4
$4,748 SGD
£2,917 GBP
View
1 more retailer has this diamond
Prices start from $3,463 SGDSave up to $1,285 SGD

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
$3,463 SGD