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Cushion|Natural|GIA

0.40ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1565394507

Certificate GIA 1565394507

Diamond specifications and retailer prices

From $391 CAD
₹26,685 INR
As of November 1, 2026
Save $874 CAD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,265 CAD at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565394507. Listed at 12 retailers as of November 1, 2026, with prices from $391 to $1,265, a $874 spread on the same certified stone. MOH London lists it at $1,265. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565394507
Dimensions4.13 × 4.10 × 2.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
4.13 mm4.10 mm0.40 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565394507
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

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 1
Current: $1,265 CAD|Low: $390 CAD|High: $1,279 CAD|Avg: $796 CAD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$391 CAD
Retailer 8$559 CAD
Retailer 9$589 CAD
Retailer 10$631 CAD
Retailer 4$715 CAD
Retailer 7$845 CAD
Retailer 6$849 CAD
Retailer 5$994 CAD
Retailer 3$1,108 CAD
MOH London$1,265 CAD

27 data points across 10 retailers

12 retailers$391 CAD to $1,265 CAD

A
Cheapest Retailer
-
$391 CAD
₹26,685 INR
B+
Retailer 2
-
$559 CAD
$400 USD
View
B+
Retailer 3
-
$589 CAD
$422 USD
View
B+
Retailer 4
-
$631 CAD
$452 USD
View
B+
Retailer 5
-
$715 CAD
£403 GBP
View
B
Retailer 6
-
$747 CAD
$535 USD
View
B
Retailer 7
-
$845 CAD
$605 USD
View
B
Retailer 8
-
$849 CAD
ZAR 9,816 ZAR
View
Retailer 9
-
$877 CAD
A$966 AUD
View
Price last confirmed 28 days ago
B
Retailer 10
-
$994 CAD
€678 EUR
View
B
Retailer 11
-
$1,108 CAD
£625 GBP
View
Most Expensive
B
MOH London
770D10AF9 · Nov 1
$1,265 CAD
£713 GBP
View
11 more retailers have this diamond
Prices start from $391 CADSave up to $874 CAD

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
$391 CAD