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 $7,358 USD
As of November 4, 2026
Save $2,418 USD (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,776 USD 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 $7,358 to $9,776, a $2,418 spread on the same certified stone. Cape Diamonds lists it at $9,776. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $9,776 USD|Low: $5,452 USD|High: $13,753 USD|Avg: $8,774 USD|+2.3%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$5,452 USD
Retailer 4$7,358 USD
Retailer 7$7,830 USD
Retailer 2$8,515 USD
Retailer 5$8,697 USD
Retailer 3$8,772 USD
Cape Diamonds$9,776 USD
Retailer 6$13,753 USD

39 data points across 8 retailers

6 retailers$7,358 USD to $9,776 USD

A
Cheapest Retailer
-
$7,358 USD
B+
Retailer 2
-
$7,830 USD
View
B+
Retailer 3
-
$8,515 USD
View
B+
Retailer 4
-
$8,697 USD
View
B+
Retailer 5
-
$8,772 USD
View
Most Expensive
B+
Cape Diamonds
cert_670479676 · Nov 5
$9,776 USD
ZAR 157,937 ZAR
View
5 more retailers have this diamond
Prices start from $7,358 USDSave up to $2,418 USD

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
$7,358 USD