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Cushion|Natural|HRD

1.05ct K SI2 Cushion Natural Diamond

K/SI2 • HRD 11023790006

Certificate HRD 11023790006

Diamond specifications and retailer prices

From $3,347 AUD
As of November 6, 2026
Save $1,255 AUD (27%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,602 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 11023790006. Listed at 2 retailers as of November 4, 2026, with prices from $3,347 to $4,602, a $1,255 spread on the same certified stone. MOH London lists it at $4,602. 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

1.05
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 11023790006
Dimensions6.01 × 5.18 × 3.67 mm
L/W Ratio1.16
Girdle conditionFaceted
Top View
6.01 mm5.18 mm1.05 ctK / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateHRD 11023790006
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $4,602 AUD|Low: $3,275 AUD|High: $4,669 AUD|Avg: $3,760 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$3,305 AUD
Retailer 2$3,347 AUD
MOH London$4,602 AUD

23 data points across 3 retailers

2 retailers$3,347 AUD to $4,602 AUD

B
Cheapest Retailer
-
$3,347 AUD
Most Expensive
C
MOH London
D08E7F526 · Nov 4
$4,602 AUD
£2,490 GBP
View
1 more retailer has this diamond
Prices start from $3,347 AUDSave up to $1,255 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
1.05ct Cushion
$3,347 AUD