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Radiant|Natural|GIA

0.40ct D SI1 Radiant Natural Diamond

GD • D/SI1 • GIA 1565472345

Certificate GIA 1565472345

Diamond specifications and retailer prices

From $630 CAD
$450 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $630 CAD at William & Sons Jewelers
View at William & Sons Jewelers

About this 0.4ct natural radiant diamond

This 0.4ct natural radiant sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1565472345. Listed at 2 retailers as of October 28, 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
D
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565472345
Dimensions4.96 × 3.59 × 2.45 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.96 mm3.59 mm0.40 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1565472345
Side View
Table 67.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $630 CAD|Low: $630 CAD|High: $630 CAD|Avg: $630 CAD
Retailer 1
William & Sons Jewelers
October 18, 2026
Retailer 1$630 CAD
William & Sons Jewelers$630 CAD

2 data points across 2 retailers

2 retailers

Retailer 1
-
$630 CAD
$450 USD
Price last confirmed 8 days ago
Most Expensive
B+
William & Sons Jewelers
cert_1565472345 · Oct 28
$630 CAD
$450 USD
View
Final sale: no returns
1 more retailer has this diamond

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 Radiant
$630 CAD