Marquise|Natural|IGI

2.50ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 799675095

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 799675095

Diamond specifications and retailer prices

From €6,534 EUR
SGD 9,903 SGD
As of October 31, 2026
Save €3,945 EUR (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €10,479 EUR at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 2.5ct natural marquise diamond

This 2.5ct 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 799675095. Listed at 7 retailers as of October 31, 2026, with prices from €6,534 to €10,479, a €3,945 spread on the same certified stone. The Diamond Guys lists it at €10,479. 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

2.50
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 799675095
Dimensions12.93 × 6.99 × 4.45 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
12.93 mm6.99 mm2.50 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 799675095
Side View
Table 57.0%Crown 40.2°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 63.7%

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: Oct 31
Current: €9,246 EUR|Low: €6,534 EUR|High: €12,269 EUR|Avg: €9,140 EUR|-12.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
November 2, 2026
Retailer 3€6,534 EUR
Retailer 7€6,630 EUR
Retailer 2€7,650 EUR
Retailer 4€7,786 EUR
Retailer 5€8,960 EUR
Retailer 1€9,246 EUR
Retailer 6€9,452 EUR
The Diamond Guys€10,479 EUR
Retailer 8€12,269 EUR

29 data points across 9 retailers

7 retailers€6,534 EUR to €10,479 EUR

A
Cheapest Retailer
-
€6,534 EUR
SGD 9,903 SGD
A
Retailer 2
-
€7,650 EUR
$8,580 USD
View
A
Retailer 3
-
€7,786 EUR
$8,733 USD
View
A
Retailer 4
-
€8,960 EUR
$10,050 USD
View
A
Retailer 5
-
€9,246 EUR
View
Retailer 6
-
€9,452 EUR
$10,602 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
The Diamond Guys
1959627130 · Nov 2
€10,479 EUR
$11,753 USD
View
6 more retailers have this diamond
Prices start from €6,534 EURSave up to €3,945 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
2.50ct Marquise
€6,534 EUR