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Heart|Natural|IGI

0.40ct J VS1 Heart Natural Diamond

VG • J/VS1 • IGI 815655938

Shape and cutting style on the report: Heart brilliant

Certificate IGI 815655938

Diamond specifications and retailer prices

From £449 GBP
A$928 AUD
As of November 2, 2026
6 retailers carry this diamond
Most expensive: £967 GBP at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

About this 0.4ct natural heart diamond

This 0.4ct natural heart sits in the sub-half-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 815655938. Listed at 6 retailers as of November 2, 2026. 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

0.40
Carat
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.3°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 815655938
Dimensions4.54 × 5.06 × 3.00 mm
L/W Ratio1.11
Girdle conditionFaceted
Top View
4.54 mm5.06 mm0.40 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 815655938
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 59.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £392 GBP|Low: £272 GBP|High: £596 GBP|Avg: £386 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 7, 2026
Retailer 5£272 GBP
Retailer 6£275 GBP
Retailer 2£306 GBP
Retailer 8£320 GBP
Retailer 1£392 GBP
Retailer 3£415 GBP
Retailer 7£449 GBP
Retailer 4£591 GBP

16 data points across 8 retailers

6 retailers

Retailer 1
-
£252 GBP
$338 USD
Price last confirmed 26 days ago
Retailer 2
-
£283 GBP
$380 USD
View
Price last confirmed 33 days ago
Retailer 3
-
£392 GBP
ZAR 8,490 ZAR
View
Price last confirmed 26 days ago
B
Retailer 4
-
£449 GBP
A$928 AUD
View
Retailer 5
-
£591 GBP
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
21e5c453-c65c-4dd5-8241-81058a407202 · Oct 6
£967 GBP
$1,298 USD
View
Price under review
5 more retailers have this diamond
Prices start from £449 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.

B
0.40ct Heart
£449 GBP