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3.01ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 754512326

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512326

Diamond specifications and retailer prices

From £12,312 GBP
As of November 6, 2026
Save £8,348 GBP (40%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £20,660 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.01ct natural round diamond

This 3.01ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 754512326. Listed at 19 retailers as of November 4, 2026, with prices from £12,312 to £20,660, a £8,348 spread on the same certified stone. MOH London lists it at £20,660. 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

3.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.7°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 754512326
Dimensions9.14 × 9.18 × 5.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
9.14 mm9.18 mm3.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 754512326
Side View
Table 57.0%Crown 36.7°Girdle: MediumPavilion 40.7°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 6
Current: £20,660 GBP|Low: £12,312 GBP|High: £20,965 GBP|Avg: £15,385 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2£12,312 GBP
Retailer 8£12,753 GBP
Retailer 6£13,019 GBP
Retailer 7£13,771 GBP
Retailer 5£15,968 GBP
Retailer 4£16,004 GBP
Retailer 3£17,075 GBP
MOH London£20,660 GBP

27 data points across 8 retailers

19 retailers£12,312 GBP to £20,660 GBP

A
Cheapest Retailer
-
£12,312 GBP
A
Retailer 2
-
£12,753 GBP
View
A
Retailer 3
-
£13,019 GBP
View
A
Retailer 4
-
£13,460 GBP
View
A
Retailer 5
-
£13,771 GBP
View
A
Retailer 6
-
£14,295 GBP
View
A
Retailer 7
-
£14,475 GBP
View
Retailer 8
-
£14,641 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£15,373 GBP
View
A
Retailer 10
-
£15,861 GBP
View
A
Retailer 11
-
£15,968 GBP
View
A
Retailer 12
-
£16,004 GBP
View
A
Retailer 13
-
£16,277 GBP
View
A
Retailer 14
-
£16,471 GBP
View
B+
Retailer 15
-
£16,662 GBP
View
A
Retailer 16
-
£17,075 GBP
View
B+
Retailer 17
-
£17,330 GBP
View
B+
Retailer 18
-
£18,790 GBP
View
Most Expensive
B+
MOH London
A53CDAC3C · Nov 4
£20,660 GBP
View
18 more retailers have this diamond
Prices start from £12,312 GBPSave up to £8,348 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
3.01ct Round
£12,312 GBP