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Round|Natural|IGI

2.59ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 798620825

Shape and cutting style on the report: Round brilliant

Certificate IGI 798620825

Diamond specifications and retailer prices

From £6,363 GBP
€8,156 EUR
As of November 5, 2026
4 retailers carry this diamond
Most expensive: £6,363 GBP at Yorxs
View at Yorxs

About this 2.59ct natural round diamond

This 2.59ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 798620825. Listed at 4 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

2.59
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 798620825
Dimensions8.80 × 8.84 × 5.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.80 mm8.84 mm2.59 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 798620825
Side View
Table 55.0%Crown 32.5°Girdle: MED-STKPavilion 40.3°CuletDepth 60.9%

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: £5,433 GBP|Low: £3,419 GBP|High: £7,512 GBP|Avg: £5,010 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 5, 2026
Retailer 5£3,427 GBP
Retailer 7£3,917 GBP
Retailer 3£4,047 GBP
Retailer 2£4,491 GBP
Retailer 8£4,491 GBP
Retailer 9£4,491 GBP
Retailer 12£4,607 GBP
Retailer 11£5,182 GBP
Retailer 4£5,212 GBP
Retailer 1£5,433 GBP
Yorxs£6,363 GBP
Retailer 6£6,697 GBP
Retailer 10£7,512 GBP

22 data points across 13 retailers

4 retailers

Retailer 1
-
£4,491 GBP
Price last confirmed 29 days ago
Retailer 2
-
£4,491 GBP
View
Price last confirmed 25 days ago
Retailer 3
-
£5,182 GBP
View
Price last confirmed 28 days ago
Most Expensive
B+
Yorxs
HPD11173/AUCC · Nov 5
£6,363 GBP
€8,156 EUR
View
3 more retailers have this diamond

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+
2.59ct Round
£6,363 GBP