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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 £1,641 GBP
₹209,702 INR
As of November 2, 2026
Save £2,013 GBP (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,654 GBP 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 £1,641 to £3,654, a £2,013 spread on the same certified stone. MOH London lists it at £3,654. 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 2
Current: £3,654 GBP|Low: £1,638 GBP|High: £3,799 GBP|Avg: £2,334 GBP|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2£1,641 GBP
Retailer 7£1,956 GBP
Retailer 5£2,084 GBP
Retailer 6£2,185 GBP
Retailer 8£2,291 GBP
Retailer 4£2,344 GBP
Retailer 3£2,401 GBP
MOH London£3,654 GBP

36 data points across 8 retailers

8 retailers£1,641 GBP to £3,654 GBP

A
Cheapest Retailer
-
£1,641 GBP
₹209,702 INR
A
Retailer 2
-
£1,956 GBP
$2,625 USD
View
A
Retailer 3
-
£2,084 GBP
$2,797 USD
View
B+
Retailer 4
-
£2,185 GBP
$2,932 USD
View
B+
Retailer 5
-
£2,291 GBP
$3,074 USD
View
B+
Retailer 6
-
£2,344 GBP
View
B+
Retailer 7
-
£2,401 GBP
€3,069 EUR
View
Most Expensive
B
MOH London
7159C9704 · Nov 2
£3,654 GBP
View
7 more retailers have this diamond
Prices start from £1,641 GBPSave up to £2,013 GBP

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
£1,641 GBP