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Heart|Natural|IGI

4.01ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 801638815

Shape and cutting style on the report: Heart brilliant

Certificate IGI 801638815

Diamond specifications and retailer prices

From £19,255 GBP
$25,800 USD
As of October 31, 2026
Save £11,046 GBP (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £30,301 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 4.01ct natural heart diamond

This 4.01ct natural heart sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 801638815. Listed at 11 retailers as of October 31, 2026, with prices from £19,255 to £30,301, a £11,046 spread on the same certified stone. MOH London lists it at £30,301. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.01
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.1°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 801638815
Dimensions10.04 × 11.00 × 6.24 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
10.04 mm11.00 mm4.01 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 801638815
Side View
Table 65.0%Crown 34.1°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 56.7%

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: £30,301 GBP|Low: £19,255 GBP|High: £30,464 GBP|Avg: £23,110 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10£19,255 GBP
Retailer 4£19,422 GBP
Retailer 12£19,499 GBP
Retailer 5£20,031 GBP
Retailer 7£21,417 GBP
Retailer 8£23,095 GBP
Retailer 2£23,347 GBP
Retailer 3£23,490 GBP
Retailer 11£23,833 GBP
Retailer 6£24,314 GBP
Retailer 9£28,212 GBP
MOH London£30,301 GBP

18 data points across 12 retailers

11 retailers£19,255 GBP to £30,301 GBP

B+
Cheapest Retailer
-
£19,255 GBP
$25,800 USD
B+
Retailer 2
-
£19,422 GBP
₹2,478,372 INR
View
B+
Retailer 3
-
£19,499 GBP
$26,126 USD
View
A
Retailer 4
-
£20,031 GBP
View
B+
Retailer 5
-
£21,417 GBP
$28,696 USD
View
B+
Retailer 6
-
£23,095 GBP
$30,945 USD
View
B+
Retailer 7
-
£23,347 GBP
€29,793 EUR
View
B+
Retailer 8
-
£23,490 GBP
$31,474 USD
View
B+
Retailer 9
-
£23,833 GBP
$31,933 USD
View
B+
Retailer 10
-
£24,314 GBP
ZAR 526,295 ZAR
View
Most Expensive
B
MOH London
3A637EE37 · Nov 1
£30,301 GBP
View
10 more retailers have this diamond
Prices start from £19,255 GBPSave up to £11,046 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
4.01ct Heart
£19,255 GBP