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 €8,996 EUR
$10,050 USD
As of November 1, 2026
Save €3,783 EUR (30%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €12,778 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 €8,996 to €12,778, a €3,783 spread on the same certified stone. The Diamond Guys lists it at €12,778. 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
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: €10,551 EUR|Low: €8,085 EUR|High: €14,914 EUR|Avg: €11,214 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€8,085 EUR
Retailer 3€8,996 EUR
Retailer 2€9,130 EUR
Retailer 5€10,530 EUR
Retailer 1€10,551 EUR
Retailer 4€11,094 EUR
The Diamond Guys€12,778 EUR
Retailer 7€14,914 EUR

32 data points across 8 retailers

6 retailers€8,996 EUR to €12,778 EUR

A
Cheapest Retailer
-
€8,996 EUR
$10,050 USD
A
Retailer 2
-
€9,130 EUR
$10,200 USD
View
A
Retailer 3
-
€10,530 EUR
$11,764 USD
View
A
Retailer 4
-
€10,551 EUR
View
A
Retailer 5
-
€11,094 EUR
$12,394 USD
View
Most Expensive
B+
The Diamond Guys
1955283683 · Nov 2
€12,778 EUR
$14,276 USD
View
5 more retailers have this diamond
Prices start from €8,996 EURSave up to €3,783 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
€8,996 EUR