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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 $740 NZD
As of November 4, 2026
Save $1,327 NZD (64%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,066 NZD 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 $740 to $2,066, a $1,327 spread on the same certified stone. MOH London lists it at $2,066. 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: $2,066 NZD|Low: $740 NZD|High: $3,456 NZD|Avg: $1,231 NZD|-4.7%
MOH London
Retailer 2
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Retailer 24
Retailer 25
November 7, 2026
Retailer 8$740 NZD
Retailer 5$752 NZD
Retailer 25$815 NZD
Retailer 18$830 NZD
Retailer 6$878 NZD
Retailer 21$878 NZD
Retailer 22$931 NZD
Retailer 9$940 NZD
Retailer 4$956 NZD
Retailer 14$992 NZD
Retailer 3$1,010 NZD
Retailer 15$1,028 NZD
Retailer 17$1,028 NZD
Retailer 19$1,055 NZD
Retailer 16$1,064 NZD
Retailer 20$1,113 NZD
Retailer 12$1,191 NZD
Retailer 23$1,214 NZD
Retailer 11$1,232 NZD
Retailer 10$1,333 NZD
Retailer 2$1,349 NZD
Retailer 7$1,402 NZD
Retailer 13$1,822 NZD
MOH London$2,066 NZD
Retailer 24$3,449 NZD

21 data points across 25 retailers

26 retailers$740 NZD to $2,066 NZD

A
Cheapest Retailer
-
$740 NZD
A
Retailer 2
-
$752 NZD
View
Final sale: no returns
A
Retailer 3
-
$815 NZD
View
A
Retailer 4
-
$830 NZD
View
A
Retailer 5
-
$878 NZD
View
A
Retailer 6
-
$878 NZD
View
A
Retailer 7
-
$931 NZD
View
B+
Retailer 8
-
$940 NZD
View
A
Retailer 9
-
$956 NZD
View
B+
Retailer 10
-
$992 NZD
View
B+
Retailer 11
-
$1,010 NZD
View
B+
Retailer 12
-
$1,028 NZD
View
B+
Retailer 13
-
$1,028 NZD
View
Retailer 14
-
$1,055 NZD
View
B+
Retailer 15
-
$1,064 NZD
View
B+
Retailer 16
-
$1,113 NZD
View
B+
Retailer 17
-
$1,191 NZD
View
B+
Retailer 18
-
$1,214 NZD
View
B+
Retailer 19
-
$1,232 NZD
View
B+
Retailer 20
-
$1,333 NZD
View
Retailer 21
-
$1,349 NZD
View
B+
Retailer 22
-
$1,402 NZD
View
Retailer 23
-
$1,402 NZD
View
Price last confirmed 35 days ago
B
Retailer 24
-
$1,822 NZD
View
Most Expensive
B
MOH London
3ACBAA6FE · Nov 7
$2,066 NZD
£902 GBP
View
24 more retailers have this diamond
Prices start from $740 NZDSave up to $1,327 NZD

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
$740 NZD