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Cushion|Natural|GIA

0.40ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 3565213852

Certificate GIA 3565213852

Diamond specifications and retailer prices

From $386 AUD
₹25,830 INR
As of November 1, 2026
Save $863 AUD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,249 AUD 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 November 1, 2026, with prices from $386 to $1,249, a $863 spread on the same certified stone. MOH London lists it at $1,249. 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
Colour
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: Nov 1
Current: $1,249 AUD|Low: $385 AUD|High: $1,264 AUD|Avg: $776 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$386 AUD
Retailer 10$456 AUD
Retailer 7$555 AUD
Retailer 8$626 AUD
Retailer 3$705 AUD
Retailer 6$838 AUD
Retailer 9$866 AUD
Retailer 2$882 AUD
Retailer 5$1,094 AUD
MOH London$1,249 AUD

37 data points across 10 retailers

14 retailers$386 AUD to $1,249 AUD

A
Cheapest Retailer
-
$386 AUD
₹25,830 INR
A
Retailer 2
-
$456 AUD
HK$2,500 HKD
View
B+
Retailer 3
-
$555 AUD
$390 USD
View
B+
Retailer 4
-
$568 AUD
SGD 539 SGD
View
B+
Retailer 5
-
$624 AUD
$438 USD
View
B+
Retailer 6
-
$626 AUD
$440 USD
View
B+
Retailer 7
-
$705 AUD
£390 GBP
View
B
Retailer 8
-
$727 AUD
$511 USD
View
B
Retailer 9
-
$742 AUD
$521 USD
View
B
Retailer 10
-
$838 AUD
ZAR 9,513 ZAR
View
Retailer 11
-
$866 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$882 AUD
€590 EUR
View
B
Retailer 13
-
$1,094 AUD
£605 GBP
View
Most Expensive
B
MOH London
D7EE2C3E1 · Nov 1
$1,249 AUD
£691 GBP
View
13 more retailers have this diamond
Prices start from $386 AUDSave up to $863 AUD

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
$386 AUD