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Cushion|Natural|GIA

0.40ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5436293478

Certificate GIA 5436293478

Diamond specifications and retailer prices

From $640 SGD
As of November 6, 2026
Save $1,105 SGD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,745 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 0.4ct natural cushion diamond

This 0.4ct natural cushion sits in the sub-half-carat band, graded E 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 5436293478. Listed at 15 retailers as of November 4, 2026, with prices from $640 to $1,745, a $1,105 spread on the same certified stone. MOH London lists it at $1,745. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5436293478
Dimensions4.41 × 4.12 × 2.85 mm
L/W Ratio1.07
Top View
4.41 mm4.12 mm0.40 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5436293478
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 69.2%

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: Nov 6
Current: $1,745 SGD|Low: $731 SGD|High: $1,768 SGD|Avg: $1,054 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$731 SGD
Retailer 9$815 SGD
Retailer 10$836 SGD
Retailer 2$914 SGD
Retailer 4$1,000 SGD
Retailer 5$1,014 SGD
Retailer 7$1,036 SGD
Retailer 8$1,137 SGD
Retailer 6$1,173 SGD
MOH London$1,745 SGD

43 data points across 10 retailers

15 retailers$640 SGD to $1,745 SGD

A
Cheapest Retailer
-
$640 SGD
A
Retailer 2
-
$731 SGD
View
B+
Retailer 3
-
$792 SGD
View
Retailer 4
-
$815 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$873 SGD
View
B+
Retailer 6
-
$914 SGD
View
B+
Retailer 7
-
$924 SGD
View
B+
Retailer 8
-
$1,000 SGD
View
B+
Retailer 9
-
$1,014 SGD
View
B+
Retailer 10
-
$1,036 SGD
View
B
Retailer 11
-
$1,053 SGD
View
B
Retailer 12
-
$1,084 SGD
View
Retailer 13
-
$1,137 SGD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$1,173 SGD
View
Most Expensive
B
MOH London
D4368579A · Nov 4
$1,745 SGD
£1,072 GBP
View
14 more retailers have this diamond
Prices start from $640 SGDSave up to $1,105 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 Cushion
$640 SGD