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Round|Natural|IGI

3.09ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 788607772

Shape and cutting style on the report: Round brilliant

Certificate IGI 788607772

Diamond specifications and retailer prices

From £15,406 GBP
As of November 5, 2026
Save £12,504 GBP (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £27,910 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.09ct natural round diamond

This 3.09ct natural round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 788607772. Listed at 14 retailers as of November 4, 2026, with prices from £15,406 to £27,910, a £12,504 spread on the same certified stone. MOH London lists it at £27,910. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

3.09
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 788607772
Dimensions9.26 × 9.32 × 5.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.26 mm9.32 mm3.09 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607772
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.8%

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: Nov 5
Current: £27,910 GBP|Low: £15,311 GBP|High: £28,285 GBP|Avg: £20,971 GBP|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 2£15,406 GBP
Retailer 6£18,008 GBP
Retailer 7£18,184 GBP
Retailer 8£19,157 GBP
Retailer 4£19,245 GBP
Retailer 11£19,779 GBP
Retailer 12£20,768 GBP
Retailer 9£20,902 GBP
Retailer 3£21,427 GBP
Retailer 13£22,007 GBP
Retailer 5£22,251 GBP
Retailer 10£23,228 GBP
Retailer 14£25,385 GBP
MOH London£27,910 GBP

27 data points across 14 retailers

14 retailers£15,406 GBP to £27,910 GBP

A
Cheapest Retailer
-
£15,406 GBP
A
Retailer 2
-
£18,008 GBP
View
A
Retailer 3
-
£18,184 GBP
View
A
Retailer 4
-
£19,157 GBP
View
A
Retailer 5
-
£19,245 GBP
View
Retailer 6
-
£19,779 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£20,768 GBP
View
A
Retailer 8
-
£20,902 GBP
View
A
Retailer 9
-
£21,427 GBP
View
A
Retailer 10
-
£22,007 GBP
View
A
Retailer 11
-
£22,251 GBP
View
A
Retailer 12
-
£23,228 GBP
View
A
Retailer 13
-
£25,385 GBP
View
Most Expensive
B+
MOH London
1403BD016 · Nov 4
£27,910 GBP
View
13 more retailers have this diamond
Prices start from £15,406 GBPSave up to £12,504 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
3.09ct Round
£15,406 GBP