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Heart|Natural|HRD

1.55ct K SI2 Heart Natural Diamond

K/SI2 • HRD 190000075703

Certificate HRD 190000075703

Diamond specifications and retailer prices

From $6,493 AUD
As of November 6, 2026
Save $3,385 AUD (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $9,878 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 190000075703. Listed at 2 retailers as of November 2, 2026, with prices from $6,493 to $9,878, a $3,385 spread on the same certified stone. MOH London lists it at $9,878. 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

1.55
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 190000075703
Dimensions7.16 × 7.71 × 3.96 mm
L/W Ratio1.08
Girdle conditionFaceted
Top View
7.16 mm7.71 mm1.55 ctK / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateHRD 190000075703
Side View
Table 66.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 51.4%

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: $9,878 AUD|Low: $5,698 AUD|High: $9,996 AUD|Avg: $7,370 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$5,698 AUD
Retailer 2$6,493 AUD
MOH London$9,878 AUD

24 data points across 3 retailers

2 retailers$6,493 AUD to $9,878 AUD

B
Cheapest Retailer
-
$6,493 AUD
Most Expensive
C
MOH London
6782C27BA · Nov 2
$9,878 AUD
£5,344 GBP
View
1 more retailer has this diamond
Prices start from $6,493 AUDSave up to $3,385 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
1.55ct Heart
$6,493 AUD