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Marquise|Natural|GSI

1.03ct F I1 Marquise Natural Diamond

EX • F/I1

Diamond specifications and retailer prices

From £2,573 GBP
$3,450 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: £2,573 GBP at Shane Co
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Shane Co

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GSI. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
Symmetry
Fluorescence
OriginNatural
Grading LabGSI
Dimensions9.54 × 5.30 mm
L/W Ratio1.80
Top View
9.54 mm5.30 mm1.03 ctF / I1
OriginNatural
CutExcellent
PolishVery Good
CertificateGSI
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 63.0%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: £2,573 GBP|Low: £2,573 GBP|High: £2,573 GBP|Avg: £2,573 GBP
September 18, 2026
Shane Co£2,573 GBP

1 data point across 1 retailer

1 retailer

C
Shane Co
26H0NSW · Nov 2
£2,573 GBP
$3,450 USD
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C
1.03ct Marquise
£2,573 GBP