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Marquise|Natural|GIA

2.51ct I SI1 Marquise Natural Diamond

I/SI1 • GIA 2564717518

Certificate GIA 2564717518

Diamond specifications and retailer prices

From €31,210 EUR
£27,455 GBP
As of November 1, 2026
1 retailer carries this diamond
Only listing: €31,210 EUR at MOH London
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 MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 2564717518. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

2.51
Carat
I
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2564717518
Dimensions13.08 × 6.75 × 4.53 mm
L/W Ratio1.94
Top View
13.08 mm6.75 mm2.51 ctI / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2564717518
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 60.0%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 1
Current: €31,210 EUR|Low: €31,210 EUR|High: €31,210 EUR|Avg: €31,210 EUR
November 1, 2026
MOH London€31,210 EUR

1 data point across 1 retailer

1 retailer

C
MOH London
C5B5D92E1 · Nov 1
€31,210 EUR
£27,455 GBP
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C
2.51ct Marquise
€31,210 EUR