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6.44ct I SI2 Round Natural Diamond

GD • I/SI2 • HRD 10007283001

Certificate HRD 10007283001

Diamond specifications and retailer prices

From $186,738 AUD
€124,927 EUR
As of November 1, 2026
Save $54,693 AUD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $241,431 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 6.44ct natural round diamond

This 6.44ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by HRD 10007283001. Listed at 2 retailers as of November 1, 2026, with prices from $186,738 to $241,431, a $54,693 spread on the same certified stone. MOH London lists it at $241,431. 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

6.44
Carat
I
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabHRD
CertificateHRD 10007283001
Dimensions11.44 × 11.34 × 7.53 mm
L/W Ratio1.01
Top View
11.44 mm11.34 mm6.44 ctI / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateHRD 10007283001
Side View
Table 58.0%CrownGirdle: Very ThickPavilionCuletDepth 66.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $241,431 AUD|Low: $137,370 AUD|High: $244,340 AUD|Avg: $188,607 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$137,370 AUD
Retailer 2$186,738 AUD
MOH London$241,431 AUD

24 data points across 3 retailers

2 retailers$186,738 AUD to $241,431 AUD

B
Cheapest Retailer
-
$186,738 AUD
€124,927 EUR
Most Expensive
C
MOH London
EC0311F6E · Nov 1
$241,431 AUD
£133,537 GBP
View
1 more retailer has this diamond
Prices start from $186,738 AUDSave up to $54,693 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
6.44ct Round
$186,738 AUD