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Marquise|Natural|HRD

0.90ct K SI2 Marquise Natural Diamond

K/SI2 • HRD 10027405005

Certificate HRD 10027405005

Diamond specifications and retailer prices

From $2,956 AUD
As of November 6, 2026
Save $1,127 AUD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,083 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 10027405005. Listed at 2 retailers as of November 4, 2026, with prices from $2,956 to $4,083, a $1,127 spread on the same certified stone. MOH London lists it at $4,083. 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

0.90
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 10027405005
Dimensions10.64 × 4.88 × 2.88 mm
L/W Ratio2.18
Girdle conditionFaceted
Top View
10.64 mm4.88 mm0.90 ctK / SI2
OriginNatural
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateHRD 10027405005
Side View
Table 62.0%CrownGirdle: MediumPavilionCuletDepth 59.0%

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: $4,083 AUD|Low: $2,550 AUD|High: $4,144 AUD|Avg: $3,207 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$2,550 AUD
Retailer 2$2,956 AUD
MOH London$4,083 AUD

23 data points across 3 retailers

2 retailers$2,956 AUD to $4,083 AUD

B
Cheapest Retailer
-
$2,956 AUD
Most Expensive
C
MOH London
601CD3301 · Nov 4
$4,083 AUD
£2,209 GBP
View
1 more retailer has this diamond
Prices start from $2,956 AUDSave up to $1,127 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
0.90ct Marquise
$2,956 AUD