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Radiant|Natural|GIA

0.40ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6552226389

Certificate GIA 6552226389

Diamond specifications and retailer prices

From $702 NZD
$395 USD
As of October 28, 2026
Save $1,214 NZD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,916 NZD at MOH London · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552226389. Listed at 15 retailers as of October 28, 2026, with prices from $702 to $1,916, a $1,214 spread on the same certified stone. MOH London lists it at $1,916. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle51.3°
OriginNatural
Grading LabGIA
CertificateGIA 6552226389
Dimensions5.37 × 3.73 × 2.40 mm
L/W Ratio1.44
Top View
5.37 mm3.73 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552226389
Side View
Table 65.0%Crown 35.2°Girdle: MED-STKPavilion 51.3°Culet: NoneDepth 64.5%

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: Oct 28
Current: $1,916 NZD|Low: $702 NZD|High: $2,007 NZD|Avg: $1,096 NZD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 11$702 NZD
Retailer 6$773 NZD
Retailer 10$866 NZD
Retailer 15$889 NZD
Retailer 9$933 NZD
Retailer 4$946 NZD
Retailer 3$960 NZD
Retailer 12$960 NZD
Retailer 13$978 NZD
Retailer 8$1,034 NZD
Retailer 14$1,137 NZD
Retailer 2$1,185 NZD
Retailer 5$1,242 NZD
Retailer 7$1,375 NZD
MOH London$1,916 NZD

42 data points across 15 retailers

15 retailers$702 NZD to $1,916 NZD

A
Cheapest Retailer
-
$702 NZD
$395 USD
A
Retailer 2
-
$773 NZD
HK$3,400 HKD
View
A
Retailer 3
-
$866 NZD
$487 USD
View
A
Retailer 4
-
$889 NZD
$500 USD
View
A
Retailer 5
-
$933 NZD
$525 USD
View
B+
Retailer 6
-
$946 NZD
$532 USD
View
B+
Retailer 7
-
$960 NZD
$540 USD
View
B+
Retailer 8
-
$960 NZD
$540 USD
View
B+
Retailer 9
-
$978 NZD
$550 USD
View
B+
Retailer 10
-
$1,034 NZD
£458 GBP
View
B+
Retailer 11
-
$1,137 NZD
£504 GBP
View
B
Retailer 12
-
$1,185 NZD
€635 EUR
View
B+
Retailer 13
-
$1,242 NZD
$699 USD
View
Retailer 14
-
$1,375 NZD
A$1,190 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
A44B12A18 · Nov 2
$1,916 NZD
£849 GBP
View
14 more retailers have this diamond
Prices start from $702 NZDSave up to $1,214 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
$702 NZD