Cushion|Natural|GIA

0.40ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 3565213852

Certificate GIA 3565213852

Diamond specifications and retailer prices

From $379 CAD
₹25,836 INR
As of October 31, 2026
Save $847 CAD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,226 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 3565213852. Listed at 14 retailers as of October 31, 2026, with prices from $379 to $1,226, a $847 spread on the same certified stone. MOH London lists it at $1,226. 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
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3565213852
Dimensions4.30 × 4.16 × 2.76 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Crystal
Top View
4.30 mm4.16 mm0.40 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 3565213852
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

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: Oct 31
Current: $1,226 CAD|Low: $378 CAD|High: $1,240 CAD|Avg: $764 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$379 CAD
Retailer 10$447 CAD
Retailer 7$545 CAD
Retailer 8$615 CAD
Retailer 3$691 CAD
Retailer 6$823 CAD
Retailer 9$850 CAD
Retailer 5$862 CAD
Retailer 2$1,074 CAD
MOH London$1,226 CAD

36 data points across 10 retailers

14 retailers$379 CAD to $1,226 CAD

A
Cheapest Retailer
-
$379 CAD
₹25,836 INR
A
Retailer 2
-
$447 CAD
HK$2,500 HKD
View
B+
Retailer 3
-
$545 CAD
$390 USD
View
B+
Retailer 4
-
$557 CAD
SGD 539 SGD
View
B+
Retailer 5
-
$612 CAD
$438 USD
View
B+
Retailer 6
-
$615 CAD
$440 USD
View
B+
Retailer 7
-
$691 CAD
£390 GBP
View
B
Retailer 8
-
$713 CAD
$511 USD
View
B
Retailer 9
-
$728 CAD
$521 USD
View
B
Retailer 10
-
$823 CAD
ZAR 9,513 ZAR
View
Retailer 11
-
$850 CAD
A$936 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$862 CAD
€588 EUR
View
B
Retailer 13
-
$1,074 CAD
£605 GBP
View
Most Expensive
B
MOH London
D7EE2C3E1 · Nov 1
$1,226 CAD
£691 GBP
View
13 more retailers have this diamond
Prices start from $379 CADSave up to $847 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
$379 CAD