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Cushion|Natural|GIA

0.40ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6555182513

Certificate GIA 6555182513

Diamond specifications and retailer prices

From €382 EUR
As of November 7, 2026
Save €831 EUR (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,214 EUR 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 6555182513. Listed at 13 retailers as of November 7, 2026, with prices from €382 to €1,214, a €831 spread on the same certified stone. MOH London lists it at €1,214. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555182513
Dimensions4.14 × 4.08 × 2.82 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
4.14 mm4.08 mm0.40 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555182513
Side View
Table 63.0%CrownGirdle: THK-XTKPavilionCulet: 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: €1,214 EUR|Low: €382 EUR|High: €1,235 EUR|Avg: €758 EUR|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 2€382 EUR
Retailer 6€570 EUR
Retailer 5€597 EUR
Retailer 7€642 EUR
Retailer 10€699 EUR
Retailer 11€724 EUR
Retailer 4€743 EUR
Retailer 8€777 EUR
Retailer 3€794 EUR
Retailer 9€820 EUR
MOH London€1,214 EUR

36 data points across 11 retailers

13 retailers€382 EUR to €1,214 EUR

A
Cheapest Retailer
-
€382 EUR
B+
Retailer 2
-
€570 EUR
View
B+
Retailer 3
-
€597 EUR
View
B+
Retailer 4
-
€610 EUR
View
B+
Retailer 5
-
€631 EUR
View
B+
Retailer 6
-
€642 EUR
View
B+
Retailer 7
-
€699 EUR
View
B+
Retailer 8
-
€724 EUR
View
B
Retailer 9
-
€743 EUR
View
B+
Retailer 10
-
€777 EUR
View
Retailer 11
-
€794 EUR
View
Price last confirmed 34 days ago
B+
Retailer 12
-
€820 EUR
View
Most Expensive
B
MOH London
238577F87 · Nov 7
€1,214 EUR
£1,067 GBP
View
12 more retailers have this diamond
Prices start from €382 EURSave up to €831 EUR

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
€382 EUR