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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 $997 SGD
$780 USD
As of October 31, 2026
Save $751 SGD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,749 SGD 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 $997 to $1,749, a $751 spread on the same certified stone. MOH London lists it at $1,749. 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
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: $1,749 SGD|Low: $997 SGD|High: $1,760 SGD|Avg: $1,223 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6$997 SGD
Retailer 2$1,017 SGD
Retailer 5$1,032 SGD
Retailer 7$1,044 SGD
Retailer 3$1,168 SGD
Retailer 4$1,529 SGD
MOH London$1,749 SGD

26 data points across 7 retailers

7 retailers$997 SGD to $1,749 SGD

B+
Cheapest Retailer
-
$997 SGD
$780 USD
B+
Retailer 2
-
$1,017 SGD
€758 EUR
View
B+
Retailer 3
-
$1,032 SGD
£636 GBP
View
B
Retailer 4
-
$1,044 SGD
$817 USD
View
B
Retailer 5
-
$1,168 SGD
ZAR 14,761 ZAR
View
B
Retailer 6
-
$1,529 SGD
£942 GBP
View
Most Expensive
B
MOH London
21F9397FC · Oct 29
$1,749 SGD
£1,077 GBP
View
6 more retailers have this diamond
Prices start from $997 SGDSave up to $751 SGD

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
$997 SGD