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Marquise|Natural|HRD

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • HRD 260000227739

Certificate HRD 260000227739

Diamond specifications and retailer prices

From $3,152 AUD
As of November 3, 2026
Save $3,870 AUD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,021 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000227739. Listed at 8 retailers as of November 2, 2026, with prices from $3,152 to $7,021, a $3,870 spread on the same certified stone. MOH London lists it at $7,021. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000227739
Dimensions10.08 × 5.30 × 3.23 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.08 mm5.30 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000227739
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $7,021 AUD|Low: $3,146 AUD|High: $7,201 AUD|Avg: $4,433 AUD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 4$3,152 AUD
Retailer 7$3,759 AUD
Retailer 5$4,005 AUD
Retailer 6$4,198 AUD
Retailer 8$4,402 AUD
Retailer 2$4,496 AUD
Retailer 3$4,605 AUD
MOH London$7,021 AUD

37 data points across 8 retailers

8 retailers$3,152 AUD to $7,021 AUD

A
Cheapest Retailer
-
$3,152 AUD
A
Retailer 2
-
$3,759 AUD
View
A
Retailer 3
-
$4,005 AUD
View
B+
Retailer 4
-
$4,198 AUD
View
B+
Retailer 5
-
$4,402 AUD
View
B+
Retailer 6
-
$4,496 AUD
View
B+
Retailer 7
-
$4,605 AUD
View
Most Expensive
B
MOH London
7159C9704 · Nov 2
$7,021 AUD
£3,861 GBP
View
7 more retailers have this diamond
Prices start from $3,152 AUDSave up to $3,870 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.

A
1.00ct Marquise
$3,152 AUD