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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 $505 SGD
$395 USD
As of October 28, 2026
Save $873 SGD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,378 SGD at MOH London · As of November 1, 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 $505 to $1,378, a $873 spread on the same certified stone. MOH London lists it at $1,378. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,378 SGD|Low: $505 SGD|High: $1,443 SGD|Avg: $789 SGD|-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$505 SGD
Retailer 6$556 SGD
Retailer 10$623 SGD
Retailer 15$639 SGD
Retailer 9$671 SGD
Retailer 4$680 SGD
Retailer 3$690 SGD
Retailer 12$690 SGD
Retailer 13$703 SGD
Retailer 8$744 SGD
Retailer 14$818 SGD
Retailer 2$852 SGD
Retailer 5$893 SGD
Retailer 7$989 SGD
MOH London$1,378 SGD

42 data points across 15 retailers

15 retailers$505 SGD to $1,378 SGD

A
Cheapest Retailer
-
$505 SGD
$395 USD
A
Retailer 2
-
$556 SGD
HK$3,400 HKD
View
A
Retailer 3
-
$623 SGD
$487 USD
View
A
Retailer 4
-
$639 SGD
$500 USD
View
A
Retailer 5
-
$671 SGD
$525 USD
View
B+
Retailer 6
-
$680 SGD
$532 USD
View
B+
Retailer 7
-
$690 SGD
$540 USD
View
B+
Retailer 8
-
$690 SGD
$540 USD
View
B+
Retailer 9
-
$703 SGD
$550 USD
View
B+
Retailer 10
-
$744 SGD
£458 GBP
View
B+
Retailer 11
-
$818 SGD
£504 GBP
View
B
Retailer 12
-
$852 SGD
€635 EUR
View
B+
Retailer 13
-
$893 SGD
$699 USD
View
Retailer 14
-
$989 SGD
A$1,190 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
A44B12A18 · Nov 1
$1,378 SGD
£849 GBP
View
14 more retailers have this diamond
Prices start from $505 SGDSave up to $873 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.

A
0.40ct Radiant
$505 SGD