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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 779663216

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 779663216

Diamond specifications and retailer prices

From €8,960 EUR
$10,050 USD
As of November 1, 2026
Save €3,768 EUR (30%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €12,728 EUR at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

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 779663216. Listed at 6 retailers as of November 1, 2026, with prices from €8,960 to €12,728, a €3,768 spread on the same certified stone. The Diamond Guys lists it at €12,728. 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
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.1°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 779663216
Dimensions14.13 × 6.95 × 4.18 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Top View
14.13 mm6.95 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 779663216
Side View
Table 63.0%Crown 40.1°Girdle: MED-THKPavilion 40°Culet: NoneDepth 60.1%

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 1
Current: €10,509 EUR|Low: €8,053 EUR|High: €14,855 EUR|Avg: €11,170 EUR|-18.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
November 2, 2026
Retailer 6€8,053 EUR
Retailer 3€8,960 EUR
Retailer 2€9,094 EUR
Retailer 5€10,488 EUR
Retailer 1€10,509 EUR
Retailer 4€11,050 EUR
The Diamond Guys€12,728 EUR
Retailer 7€14,855 EUR

32 data points across 8 retailers

6 retailers€8,960 EUR to €12,728 EUR

A
Cheapest Retailer
-
€8,960 EUR
$10,050 USD
A
Retailer 2
-
€9,094 EUR
$10,200 USD
View
A
Retailer 3
-
€10,488 EUR
$11,764 USD
View
A
Retailer 4
-
€10,509 EUR
View
A
Retailer 5
-
€11,050 EUR
$12,394 USD
View
Most Expensive
B+
The Diamond Guys
1955283683 · Nov 2
€12,728 EUR
$14,276 USD
View
5 more retailers have this diamond
Prices start from €8,960 EURSave up to €3,768 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
€8,960 EUR