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Cushion|Natural|GIA

0.40ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 2556005164

Certificate GIA 2556005164

Diamond specifications and retailer prices

From €370 EUR
As of November 6, 2026
Save €447 EUR (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €817 EUR at MOH London · As of November 2, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556005164. Listed at 10 retailers as of November 2, 2026, with prices from €370 to €817, a €447 spread on the same certified stone. MOH London lists it at €817. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556005164
Dimensions5.19 × 3.84 × 2.64 mm
L/W Ratio1.35
Top View
5.19 mm3.84 mm0.40 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556005164
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.9%

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 6
Current: €817 EUR|Low: €370 EUR|High: €827 EUR|Avg: €587 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4€370 EUR
Retailer 7€381 EUR
Retailer 5€457 EUR
Retailer 6€485 EUR
Retailer 3€637 EUR
Retailer 2€711 EUR
MOH London€817 EUR

42 data points across 7 retailers

10 retailers€370 EUR to €817 EUR

A
Cheapest Retailer
-
€370 EUR
Retailer 2
-
€381 EUR
View
Price last confirmed 9 days ago
B+
Retailer 3
-
€408 EUR
View
B+
Retailer 4
-
€457 EUR
View
B+
Retailer 5
-
€470 EUR
View
B+
Retailer 6
-
€483 EUR
View
B+
Retailer 7
-
€485 EUR
View
B
Retailer 8
-
€637 EUR
View
B
Retailer 9
-
€711 EUR
View
Most Expensive
B
MOH London
1BBD7995A · Nov 2
€817 EUR
£718 GBP
View
9 more retailers have this diamond
Prices start from €370 EURSave up to €447 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
€370 EUR