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Radiant|Natural|GIA

0.40ct D SI1 Radiant Natural Diamond

D/SI1 • GIA 6561480194

Certificate GIA 6561480194

Diamond specifications and retailer prices

From $1,092 CAD
$780 USD
As of October 29, 2026
Save $823 CAD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,914 CAD at MOH London · As of October 29, 2026
View at MOH London

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) and certified by GIA 6561480194. Listed at 7 retailers as of October 29, 2026, with prices from $1,092 to $1,914, a $823 spread on the same certified stone. MOH London lists it at $1,914. 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
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle46.08°
Pavilion angle57.76°
OriginNatural
Grading LabGIA
CertificateGIA 6561480194
Dimensions3.98 × 3.98 × 2.66 mm
L/W Ratio1.00
Top View
3.98 mm3.98 mm0.40 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561480194
Side View
Table 65.0%Crown 46.08°GirdlePavilion 57.76°Culet: NoneDepth 66.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $1,914 CAD|Low: $1,092 CAD|High: $1,927 CAD|Avg: $1,339 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$1,092 CAD
Retailer 3$1,117 CAD
Retailer 4$1,130 CAD
Retailer 7$1,143 CAD
Retailer 5$1,276 CAD
Retailer 2$1,674 CAD
MOH London$1,914 CAD

25 data points across 7 retailers

7 retailers$1,092 CAD to $1,914 CAD

B+
Cheapest Retailer
-
$1,092 CAD
$780 USD
B+
Retailer 2
-
$1,117 CAD
€760 EUR
View
B+
Retailer 3
-
$1,130 CAD
£636 GBP
View
B
Retailer 4
-
$1,143 CAD
$817 USD
View
B
Retailer 5
-
$1,276 CAD
ZAR 14,732 ZAR
View
B
Retailer 6
-
$1,674 CAD
£942 GBP
View
Most Expensive
B
MOH London
21F9397FC · Oct 29
$1,914 CAD
£1,077 GBP
View
6 more retailers have this diamond
Prices start from $1,092 CADSave up to $823 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 Radiant
$1,092 CAD