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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 747550630

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 747550630

Diamond specifications and retailer prices

From €14,295 EUR
$15,970 USD
As of November 1, 2026
Save €7,705 EUR (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €22,000 EUR at MOH London · As of November 1, 2026
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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 747550630. Listed at 11 retailers as of November 1, 2026, with prices from €14,295 to €22,000, a €7,705 spread on the same certified stone. MOH London lists it at €22,000. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 747550630
Dimensions12.88 × 6.98 × 4.68 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
12.88 mm6.98 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 747550630
Side View
Table 57.0%Crown 39°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 67.0%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €22,000 EUR|Low: €13,998 EUR|High: €22,565 EUR|Avg: €17,028 EUR|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 4€13,998 EUR
Retailer 12€14,295 EUR
Retailer 13€14,901 EUR
Retailer 9€15,044 EUR
Retailer 11€15,549 EUR
Retailer 2€16,432 EUR
Retailer 8€16,585 EUR
Retailer 7€16,845 EUR
Retailer 6€17,092 EUR
Retailer 3€17,493 EUR
Retailer 5€18,694 EUR
Retailer 10€19,956 EUR
MOH London€22,000 EUR

35 data points across 13 retailers

11 retailers€14,295 EUR to €22,000 EUR

A
Cheapest Retailer
-
€14,295 EUR
$15,970 USD
A
Retailer 2
-
€14,901 EUR
$16,647 USD
View
Final sale: no returns
A
Retailer 3
-
€15,044 EUR
$16,808 USD
View
B+
Retailer 4
-
€15,549 EUR
$17,371 USD
View
A
Retailer 5
-
€16,432 EUR
£14,455 GBP
View
B+
Retailer 6
-
€16,585 EUR
$18,529 USD
View
B+
Retailer 7
-
€16,845 EUR
$18,819 USD
View
A
Retailer 8
-
€17,092 EUR
View
B+
Retailer 9
-
€17,493 EUR
$19,543 USD
View
B+
Retailer 10
-
€19,956 EUR
$22,295 USD
View
Most Expensive
B+
MOH London
BC8D35EA9 · Nov 1
€22,000 EUR
£19,353 GBP
View
10 more retailers have this diamond
Prices start from €14,295 EURSave up to €7,705 EUR

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
2.51ct Marquise
€14,295 EUR