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Cushion|Natural|GIA

0.40ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 7551182536

Certificate GIA 7551182536

Diamond specifications and retailer prices

From €248 EUR
As of November 6, 2026
Save €562 EUR (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €810 EUR 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 I 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 7551182536. Listed at 7 retailers as of November 4, 2026, with prices from €248 to €810, a €562 spread on the same certified stone. MOH London lists it at €810. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551182536
Dimensions4.26 × 4.20 × 2.84 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
4.26 mm4.20 mm0.40 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7551182536
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.7%

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: €810 EUR|Low: €248 EUR|High: €820 EUR|Avg: €506 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2€248 EUR
Retailer 5€378 EUR
Retailer 4€453 EUR
Retailer 3€634 EUR
MOH London€810 EUR

42 data points across 5 retailers

7 retailers€248 EUR to €810 EUR

A
Cheapest Retailer
-
€248 EUR
B+
Retailer 2
-
€369 EUR
View
Retailer 3
-
€378 EUR
View
Price last confirmed 9 days ago
B+
Retailer 4
-
€453 EUR
View
B+
Retailer 5
-
€479 EUR
View
B
Retailer 6
-
€634 EUR
View
Most Expensive
B
MOH London
354ACE637 · Nov 4
€810 EUR
£712 GBP
View
6 more retailers have this diamond
Prices start from €248 EURSave up to €562 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
€248 EUR