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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 €698 EUR
$780 USD
As of October 31, 2026
Save €520 EUR (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,219 EUR at MOH London · As of November 1, 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 31, 2026, with prices from €698 to €1,219, a €520 spread on the same certified stone. MOH London lists it at €1,219. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,219 EUR|Low: €698 EUR|High: €1,232 EUR|Avg: €856 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6€698 EUR
Retailer 3€712 EUR
Retailer 5€723 EUR
Retailer 7€731 EUR
Retailer 4€818 EUR
Retailer 2€1,067 EUR
MOH London€1,219 EUR

27 data points across 7 retailers

7 retailers€698 EUR to €1,219 EUR

B+
Cheapest Retailer
-
€698 EUR
$780 USD
B+
Retailer 2
-
€712 EUR
View
B+
Retailer 3
-
€723 EUR
£636 GBP
View
B
Retailer 4
-
€731 EUR
$817 USD
View
B
Retailer 5
-
€818 EUR
ZAR 14,761 ZAR
View
B
Retailer 6
-
€1,067 EUR
£939 GBP
View
Most Expensive
B
MOH London
21F9397FC · Nov 1
€1,219 EUR
£1,072 GBP
View
6 more retailers have this diamond
Prices start from €698 EURSave up to €520 EUR

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
€698 EUR