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Round|Natural|IGI

3.01ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 843671917

Shape and cutting style on the report: Round brilliant

Certificate IGI 843671917

Diamond specifications and retailer prices

From £11,464 GBP
As of November 5, 2026
Save £8,801 GBP (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £20,265 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 843671917. Listed at 16 retailers as of November 4, 2026, with prices from £11,464 to £20,265, a £8,801 spread on the same certified stone. MOH London lists it at £20,265. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 843671917
Dimensions9.10 × 9.18 × 5.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.10 mm9.18 mm3.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 843671917
Side View
Table 56.0%Crown 36.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.3%

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: £20,265 GBP|Low: £11,464 GBP|High: £20,536 GBP|Avg: £15,132 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
Retailer 15
Retailer 16
November 6, 2026
Retailer 11£11,464 GBP
Retailer 7£13,202 GBP
Retailer 12£13,505 GBP
Retailer 4£13,652 GBP
Retailer 8£13,762 GBP
Retailer 6£14,028 GBP
Retailer 2£14,169 GBP
Retailer 15£14,361 GBP
Retailer 14£15,079 GBP
Retailer 10£15,507 GBP
Retailer 13£15,557 GBP
Retailer 5£15,965 GBP
Retailer 3£16,156 GBP
Retailer 9£16,748 GBP
Retailer 16£18,431 GBP
MOH London£20,265 GBP

25 data points across 16 retailers

16 retailers£11,464 GBP to £20,265 GBP

A
Cheapest Retailer
-
£11,464 GBP
A
Retailer 2
-
£13,202 GBP
View
A
Retailer 3
-
£13,505 GBP
View
A
Retailer 4
-
£13,652 GBP
View
B+
Retailer 5
-
£13,762 GBP
View
Final sale: no returns
B+
Retailer 6
-
£14,028 GBP
View
A
Retailer 7
-
£14,169 GBP
View
Retailer 8
-
£14,361 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£15,079 GBP
View
B+
Retailer 10
-
£15,507 GBP
View
B+
Retailer 11
-
£15,557 GBP
View
B+
Retailer 12
-
£15,965 GBP
View
B+
Retailer 13
-
£16,156 GBP
View
B+
Retailer 14
-
£16,748 GBP
View
B+
Retailer 15
-
£18,431 GBP
View
Most Expensive
B
MOH London
2252FAA83 · Nov 4
£20,265 GBP
View
15 more retailers have this diamond
Prices start from £11,464 GBPSave up to £8,801 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
£11,464 GBP