Round|Natural|IGI

2.50ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 628465316

Shape and cutting style on the report: Round brilliant

Certificate IGI 628465316

Diamond specifications and retailer prices

From £3,113 GBP
As of November 5, 2026
Save £4,473 GBP (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,586 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 628465316. Listed at 11 retailers as of November 5, 2026, with prices from £3,113 to £7,586, a £4,473 spread on the same certified stone. NZ Jewellers lists it at £7,586. 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
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 628465316
Dimensions8.58 × 8.63 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.58 mm8.63 mm2.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 628465316
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.2%

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 5
Current: £5,238 GBP|Low: £3,113 GBP|High: £5,339 GBP|Avg: £4,210 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£3,113 GBP
Retailer 4£3,775 GBP
Retailer 5£3,956 GBP
Retailer 6£4,536 GBP
Retailer 2£4,549 GBP
Retailer 1£5,238 GBP

42 data points across 6 retailers

11 retailers£3,113 GBP to £7,586 GBP

A
Cheapest Retailer
-
£3,113 GBP
A
Retailer 2
-
£3,775 GBP
View
B+
Retailer 3
-
£3,956 GBP
View
Retailer 4
-
£4,536 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£4,536 GBP
View
B+
Retailer 6
-
£4,536 GBP
View
A
Retailer 7
-
£4,549 GBP
View
B+
Retailer 8
-
£4,652 GBP
View
B+
Retailer 9
-
£5,234 GBP
View
B+
Retailer 10
-
£5,238 GBP
View
Most Expensive
B
NZ Jewellers
ad343f89-a33b-49c9-8807-23ffbc820aba · Nov 5
£7,586 GBP
$10,210 USD
View
10 more retailers have this diamond
Prices start from £3,113 GBPSave up to £4,473 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
£3,113 GBP