CaratHunter
Plans
Round|Natural|IGI

0.40ct D I1 Round Natural Diamond

VG • D/I1 • IGI 583336201

Shape and cutting style on the report: Round brilliant

Certificate IGI 583336201

Diamond specifications and retailer prices

From £156 GBP
₹19,921 INR
As of October 30, 2026
Save £846 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,002 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 583336201. Listed at 8 retailers as of October 30, 2026, with prices from £156 to £1,002, a £846 spread on the same certified stone. NZ Jewellers lists it at £1,002. 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
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 583336201
Dimensions4.80 × 4.83 × 2.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
4.80 mm4.83 mm0.40 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 583336201
Side View
Table 63.0%Crown 32.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 57.7%

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 30
Current: £156 GBP|Low: £155 GBP|High: £452 GBP|Avg: £294 GBP|-12.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 1£156 GBP
Retailer 3£238 GBP
Retailer 4£247 GBP
Retailer 7£260 GBP
Retailer 6£298 GBP
Retailer 5£299 GBP
Retailer 2£422 GBP

44 data points across 7 retailers

8 retailers£156 GBP to £1,002 GBP

A
Cheapest Retailer
-
£156 GBP
₹19,921 INR
B+
Retailer 2
-
£221 GBP
$296 USD
View
B+
Retailer 3
-
£238 GBP
$319 USD
View
B+
Retailer 4
-
£247 GBP
$331 USD
View
B+
Retailer 5
-
£298 GBP
$399 USD
View
B+
Retailer 6
-
£299 GBP
$401 USD
View
B+
Retailer 7
-
£422 GBP
€538 EUR
View
Most Expensive
C
NZ Jewellers
ecade380-775d-4de5-a3c1-347d7f751232 · Oct 30
£1,002 GBP
$1,343 USD
View
7 more retailers have this diamond
Prices start from £156 GBPSave up to £846 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
0.40ct Round
£156 GBP