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Round|Natural|IGI

2.50ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 670470897

Shape and cutting style on the report: Round brilliant

Certificate IGI 670470897

Diamond specifications and retailer prices

From £4,224 GBP
As of November 5, 2026
Save £1,820 GBP (30%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £9,322 GBP at NZ Jewellers · As of October 23, 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 670470897. Listed at 12 retailers as of November 5, 2026, with a 43% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 670470897
Dimensions8.54 × 8.59 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.54 mm8.59 mm2.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670470897
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

Caratlytics Score

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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: £9,322 GBP|Low: £4,224 GBP|High: £9,322 GBP|Avg: £5,843 GBP|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4£4,224 GBP
Retailer 5£4,640 GBP
Retailer 9£4,858 GBP
Retailer 7£5,145 GBP
Retailer 3£5,541 GBP
Retailer 11£5,574 GBP
Retailer 8£5,659 GBP
Retailer 6£5,694 GBP
Retailer 2£6,043 GBP
Retailer 10£6,431 GBP
NZ Jewellers£9,322 GBP

44 data points across 11 retailers

12 retailers£4,224 GBP to £6,043 GBP

A
Cheapest Retailer
-
£4,224 GBP
A
Retailer 2
-
£4,640 GBP
View
B+
Retailer 3
-
£4,858 GBP
View
B+
Retailer 4
-
£4,861 GBP
View
Retailer 5
-
£5,145 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£5,541 GBP
View
Retailer 7
-
£5,574 GBP
View
Price last confirmed 11 days ago
Retailer 8
-
£5,659 GBP
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£5,694 GBP
View
B+
Retailer 10
-
£6,043 GBP
View
Retailer 11
-
£6,431 GBP
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
fc01d203-a103-487c-9627-dbdb3c72c015 · Oct 23
£9,322 GBP
$12,547 USD
View
Price last confirmed 13 days ago
11 more retailers have this diamond
Prices start from £4,224 GBPSave up to £1,820 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
£4,224 GBP