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Round|Natural|IGI

3.01ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 838613030

Shape and cutting style on the report: Round brilliant

Certificate IGI 838613030

Diamond specifications and retailer prices

From £10,638 GBP
As of November 5, 2026
Save £3,742 GBP (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £19,544 GBP at MOH London · As of October 15, 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 838613030. Listed at 5 retailers as of November 5, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 838613030
Dimensions9.07 × 9.12 × 5.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.07 mm9.12 mm3.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 838613030
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £19,544 GBP|Low: £10,638 GBP|High: £19,570 GBP|Avg: £13,596 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3£10,638 GBP
Retailer 5£12,405 GBP
Retailer 4£13,314 GBP
Retailer 2£14,381 GBP
MOH London£19,544 GBP

43 data points across 5 retailers

5 retailers£10,638 GBP to £14,381 GBP

A
Cheapest Retailer
-
£10,638 GBP
A
Retailer 2
-
£12,405 GBP
View
Retailer 3
-
£13,314 GBP
View
Price last confirmed 22 days ago
A
Retailer 4
-
£14,381 GBP
View
Most Expensive
MOH London
226FD8777 · Oct 15
£19,544 GBP
View
Price last confirmed 22 days ago
4 more retailers have this diamond
Prices start from £10,638 GBPSave up to £3,742 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
£10,638 GBP