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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 $552 CAD
$395 USD
As of October 28, 2026
Save $955 CAD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,507 CAD 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 $552 to $1,507, a $955 spread on the same certified stone. MOH London lists it at $1,507. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,507 CAD|Low: $552 CAD|High: $1,578 CAD|Avg: $862 CAD|-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$552 CAD
Retailer 6$608 CAD
Retailer 10$681 CAD
Retailer 15$699 CAD
Retailer 9$734 CAD
Retailer 4$743 CAD
Retailer 3$755 CAD
Retailer 12$755 CAD
Retailer 13$769 CAD
Retailer 8$813 CAD
Retailer 14$894 CAD
Retailer 2$932 CAD
Retailer 5$976 CAD
Retailer 7$1,081 CAD
MOH London$1,507 CAD

42 data points across 15 retailers

15 retailers$552 CAD to $1,507 CAD

A
Cheapest Retailer
-
$552 CAD
$395 USD
A
Retailer 2
-
$608 CAD
HK$3,400 HKD
View
A
Retailer 3
-
$681 CAD
$487 USD
View
A
Retailer 4
-
$699 CAD
$500 USD
View
A
Retailer 5
-
$734 CAD
$525 USD
View
B+
Retailer 6
-
$743 CAD
$532 USD
View
B+
Retailer 7
-
$755 CAD
$540 USD
View
B+
Retailer 8
-
$755 CAD
$540 USD
View
B+
Retailer 9
-
$769 CAD
$550 USD
View
B+
Retailer 10
-
$813 CAD
£458 GBP
View
B+
Retailer 11
-
$894 CAD
£504 GBP
View
B
Retailer 12
-
$932 CAD
€635 EUR
View
B+
Retailer 13
-
$976 CAD
$699 USD
View
Retailer 14
-
$1,081 CAD
A$1,190 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
A44B12A18 · Nov 2
$1,507 CAD
£849 GBP
View
14 more retailers have this diamond
Prices start from $552 CADSave up to $955 CAD

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
$552 CAD