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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 $900 NZD
As of November 7, 2026
Save $1,544 NZD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,444 NZD at MOH London · As of November 7, 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 18 retailers as of November 7, 2026, with prices from $900 to $2,444, a $1,544 spread on the same certified stone. MOH London lists it at $2,444. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $2,444 NZD|Low: $1,028 NZD|High: $2,488 NZD|Avg: $1,520 NZD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8$1,028 NZD
Retailer 4$1,147 NZD
Retailer 5$1,203 NZD
Retailer 7$1,293 NZD
Retailer 9$1,407 NZD
Retailer 10$1,427 NZD
Retailer 12$1,458 NZD
Retailer 6$1,490 NZD
Retailer 2$1,495 NZD
Retailer 3$1,600 NZD
Retailer 11$1,651 NZD
MOH London$2,444 NZD

43 data points across 12 retailers

18 retailers$900 NZD to $2,444 NZD

A
Cheapest Retailer
-
$900 NZD
A
Retailer 2
-
$1,028 NZD
View
B+
Retailer 3
-
$1,115 NZD
View
B+
Retailer 4
-
$1,147 NZD
View
B+
Retailer 5
-
$1,203 NZD
View
B+
Retailer 6
-
$1,228 NZD
View
B+
Retailer 7
-
$1,293 NZD
View
B+
Retailer 8
-
$1,301 NZD
View
B+
Retailer 9
-
$1,407 NZD
View
B+
Retailer 10
-
$1,427 NZD
View
B+
Retailer 11
-
$1,458 NZD
View
B
Retailer 12
-
$1,483 NZD
View
B
Retailer 13
-
$1,490 NZD
View
B
Retailer 14
-
$1,495 NZD
View
Retailer 15
-
$1,526 NZD
View
Price last confirmed 7 days ago
Retailer 16
-
$1,600 NZD
View
Price last confirmed 34 days ago
B
Retailer 17
-
$1,651 NZD
View
Most Expensive
B
MOH London
D4368579A · Nov 7
$2,444 NZD
£1,067 GBP
View
17 more retailers have this diamond
Prices start from $900 NZDSave up to $1,544 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 Cushion
$900 NZD