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Radiant|Natural|GIA

0.40ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 7556226406

Certificate GIA 7556226406

Diamond specifications and retailer prices

From $597 AUD
As of November 4, 2026
Save $1,071 AUD (64%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,667 AUD at MOH London · As of November 7, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556226406. Listed at 26 retailers as of November 4, 2026, with prices from $597 to $1,667, a $1,071 spread on the same certified stone. MOH London lists it at $1,667. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle52.1°
OriginNatural
Grading LabGIA
CertificateGIA 7556226406
Dimensions5.53 × 3.63 × 2.45 mm
L/W Ratio1.52
Girdle conditionPolished
Top View
5.53 mm3.63 mm0.40 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556226406
Side View
Table 67.0%Crown 35.7°Girdle: THN-MEDPavilion 52.1°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,667 AUD|Low: $597 AUD|High: $2,789 AUD|Avg: $993 AUD|-4.7%
MOH London
Retailer 2
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Retailer 25
November 7, 2026
Retailer 8$597 AUD
Retailer 5$607 AUD
Retailer 25$658 AUD
Retailer 18$669 AUD
Retailer 6$709 AUD
Retailer 21$709 AUD
Retailer 22$751 AUD
Retailer 9$758 AUD
Retailer 4$771 AUD
Retailer 14$800 AUD
Retailer 3$815 AUD
Retailer 15$830 AUD
Retailer 17$830 AUD
Retailer 19$851 AUD
Retailer 16$859 AUD
Retailer 20$898 AUD
Retailer 12$961 AUD
Retailer 23$979 AUD
Retailer 11$994 AUD
Retailer 10$1,076 AUD
Retailer 2$1,089 AUD
Retailer 7$1,131 AUD
Retailer 13$1,470 AUD
MOH London$1,667 AUD
Retailer 24$2,783 AUD

21 data points across 25 retailers

26 retailers$597 AUD to $1,667 AUD

A
Cheapest Retailer
-
$597 AUD
A
Retailer 2
-
$607 AUD
View
Final sale: no returns
A
Retailer 3
-
$658 AUD
View
A
Retailer 4
-
$669 AUD
View
A
Retailer 5
-
$709 AUD
View
A
Retailer 6
-
$709 AUD
View
A
Retailer 7
-
$751 AUD
View
B+
Retailer 8
-
$758 AUD
View
A
Retailer 9
-
$771 AUD
View
B+
Retailer 10
-
$800 AUD
View
B+
Retailer 11
-
$815 AUD
View
B+
Retailer 12
-
$830 AUD
View
B+
Retailer 13
-
$830 AUD
View
Retailer 14
-
$851 AUD
View
B+
Retailer 15
-
$859 AUD
View
B+
Retailer 16
-
$898 AUD
View
B+
Retailer 17
-
$961 AUD
View
B+
Retailer 18
-
$979 AUD
View
B+
Retailer 19
-
$994 AUD
View
B+
Retailer 20
-
$1,076 AUD
View
Retailer 21
-
$1,089 AUD
View
B+
Retailer 22
-
$1,131 AUD
View
Retailer 23
-
$1,131 AUD
View
Price last confirmed 35 days ago
B
Retailer 24
-
$1,470 AUD
View
Most Expensive
B
MOH London
3ACBAA6FE · Nov 7
$1,667 AUD
£902 GBP
View
24 more retailers have this diamond
Prices start from $597 AUDSave up to $1,071 AUD

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.

A
0.40ct Radiant
$597 AUD