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2.50ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 713504029

Shape and cutting style on the report: Round brilliant

Certificate IGI 713504029

Diamond specifications and retailer prices

From £2,427 GBP
As of November 4, 2026
Save £2,335 GBP (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,762 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 713504029. Listed at 8 retailers as of November 4, 2026, with prices from £2,427 to £4,762, a £2,335 spread on the same certified stone. NZ Jewellers lists it at £4,762. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 713504029
Dimensions8.47 × 8.59 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.47 mm8.59 mm2.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 713504029
Side View
Table 60.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

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: £2,511 GBP|Low: £1,556 GBP|High: £3,154 GBP|Avg: £2,176 GBP|+7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 23, 2026
Retailer 7£1,556 GBP
Retailer 5£2,427 GBP
Retailer 6£2,501 GBP
Retailer 1£2,511 GBP
Retailer 4£2,841 GBP
Retailer 3£3,061 GBP
Retailer 2£3,154 GBP

44 data points across 7 retailers

8 retailers£2,427 GBP to £4,762 GBP

A
Cheapest Retailer
-
£2,427 GBP
A
Retailer 2
-
£2,511 GBP
View
Retailer 3
-
£2,733 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£2,733 GBP
View
B+
Retailer 5
-
£2,838 GBP
View
B+
Retailer 6
-
£2,841 GBP
View
B+
Retailer 7
-
£3,154 GBP
View
Most Expensive
B+
NZ Jewellers
5a77665a-28db-49c2-afd7-f202b1568d0f · Nov 5
£4,762 GBP
$6,409 USD
View
7 more retailers have this diamond
Prices start from £2,427 GBPSave up to £2,335 GBP

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
£2,427 GBP