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Round|Natural|IGI

0.40ct J I1 Round Natural Diamond

GD • J/I1 • IGI 485143827

Shape and cutting style on the report: Round brilliant

Certificate IGI 485143827

Diamond specifications and retailer prices

From $282 CAD
$202 USD
As of October 28, 2026
Save $999 CAD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,281 CAD 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 J colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by IGI 485143827. Listed at 7 retailers as of October 28, 2026, with prices from $282 to $1,281, a $999 spread on the same certified stone. NZ Jewellers lists it at $1,281. 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
Color
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 485143827
Dimensions4.51 × 4.59 × 2.96 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.51 mm4.59 mm0.40 ctJ / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 485143827
Side View
Table 56.0%Crown 38°Girdle: MED-VTKPavilion 40°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $499 CAD|Low: $281 CAD|High: $499 CAD|Avg: $392 CAD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2$285 CAD
Retailer 3$371 CAD
Retailer 4$427 CAD
Retailer 1$499 CAD

21 data points across 4 retailers

7 retailers$282 CAD to $1,281 CAD

B+
Cheapest Retailer
-
$282 CAD
$202 USD
B+
Retailer 2
-
$305 CAD
$218 USD
View
B+
Retailer 3
-
$316 CAD
$226 USD
View
B+
Retailer 4
-
$371 CAD
$266 USD
View
B+
Retailer 5
-
$381 CAD
$273 USD
View
B
Retailer 6
-
$499 CAD
€340 EUR
View
Most Expensive
C
NZ Jewellers
d84abadb-f266-43ba-a195-42c07159886c · Oct 30
$1,281 CAD
$917 USD
View
6 more retailers have this diamond
Prices start from $282 CADSave up to $999 CAD

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 Round
$282 CAD