Round|Natural|IGI

2.60ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 782658761

Shape and cutting style on the report: Round brilliant

Certificate IGI 782658761

Diamond specifications and retailer prices

From £12,182 GBP
$16,322 USD
As of October 31, 2026
Save £6,504 GBP (35%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £18,686 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.6ct natural round diamond

This 2.6ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 782658761. Listed at 6 retailers as of October 31, 2026, with prices from £12,182 to £18,686, a £6,504 spread on the same certified stone. MOH London lists it at £18,686. 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

2.60
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 782658761
Dimensions8.77 × 8.71 × 5.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.77 mm8.71 mm2.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 782658761
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £18,686 GBP|Low: £12,182 GBP|High: £21,194 GBP|Avg: £15,413 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4£12,182 GBP
Retailer 3£12,915 GBP
Retailer 2£13,386 GBP
Retailer 5£17,234 GBP
MOH London£18,686 GBP

29 data points across 5 retailers

6 retailers£12,182 GBP to £18,686 GBP

A
Cheapest Retailer
-
£12,182 GBP
$16,322 USD
A
Retailer 2
-
£12,915 GBP
$17,305 USD
View
A
Retailer 3
-
£13,386 GBP
View
Retailer 4
-
£14,466 GBP
$19,383 USD
View
Price last confirmed 40 days ago
Retailer 5
-
£17,138 GBP
$22,963 USD
View
Price last confirmed 42 days ago
Most Expensive
B
MOH London
7CCD99D8A · Nov 1
£18,686 GBP
View
5 more retailers have this diamond
Prices start from £12,182 GBPSave up to £6,504 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
2.60ct Round
£12,182 GBP