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2.55ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 807638848

Shape and cutting style on the report: Round brilliant

Certificate IGI 807638848

Diamond specifications and retailer prices

From £4,755 GBP
As of November 5, 2026
5 retailers carry this diamond
Most expensive: £5,485 GBP at NZ Jewellers · As of October 11, 2026
View at NZ Jewellers

About this 2.55ct natural round diamond

This 2.55ct 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 807638848. Listed at 5 retailers as of November 5, 2026. 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

2.55
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 807638848
Dimensions8.76 × 8.79 × 5.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.76 mm8.79 mm2.55 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 807638848
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°CuletDepth 60.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £4,755 GBP|Low: £2,423 GBP|High: £4,755 GBP|Avg: £3,132 GBP|+37.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£2,428 GBP
Retailer 6£2,771 GBP
Retailer 8£2,814 GBP
Retailer 2£3,148 GBP
Retailer 5£3,148 GBP
Retailer 7£3,148 GBP
Retailer 10£3,258 GBP
Retailer 3£3,491 GBP
Retailer 9£3,525 GBP
Retailer 1£4,755 GBP

23 data points across 10 retailers

5 retailers

Retailer 1
-
£3,148 GBP
Price last confirmed 25 days ago
Retailer 2
-
£3,148 GBP
View
Price last confirmed 25 days ago
Retailer 3
-
£3,632 GBP
View
Price last confirmed 25 days ago
B+
Retailer 4
-
£4,755 GBP
View
Most Expensive
NZ Jewellers
c3bd383b-f53e-4da4-a633-99bd091939de · Oct 11
£5,485 GBP
$7,382 USD
View
Price last confirmed 26 days ago
4 more retailers have this diamond
Prices start from £4,755 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.

B+
2.55ct Round
£4,755 GBP