Round|Natural|IGI

2.50ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 670479676

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479676

Diamond specifications and retailer prices

From €6,556 EUR
As of November 4, 2026
Save €2,155 EUR (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €8,710 EUR at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479676. Listed at 6 retailers as of November 4, 2026, with prices from €6,556 to €8,710, a €2,155 spread on the same certified stone. Cape Diamonds lists it at €8,710. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.50
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 670479676
Dimensions8.53 × 8.59 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.53 mm8.59 mm2.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479676
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

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 4
Current: €8,710 EUR|Low: €4,857 EUR|High: €12,253 EUR|Avg: €7,817 EUR|+2.3%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8€4,857 EUR
Retailer 4€6,556 EUR
Retailer 7€6,976 EUR
Retailer 2€7,586 EUR
Retailer 5€7,749 EUR
Retailer 3€7,815 EUR
Cape Diamonds€8,710 EUR
Retailer 6€12,253 EUR

39 data points across 8 retailers

6 retailers€6,556 EUR to €8,710 EUR

A
Cheapest Retailer
-
€6,556 EUR
B+
Retailer 2
-
€6,976 EUR
View
B+
Retailer 3
-
€7,586 EUR
View
B+
Retailer 4
-
€7,749 EUR
View
B+
Retailer 5
-
€7,815 EUR
View
Most Expensive
B+
Cape Diamonds
cert_670479676 · Nov 5
€8,710 EUR
ZAR 157,937 ZAR
View
5 more retailers have this diamond
Prices start from €6,556 EURSave up to €2,155 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 Round
€6,556 EUR