CaratHunter
Plans
Cushion|Natural|GIA

0.40ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 3565213852

Certificate GIA 3565213852

Diamond specifications and retailer prices

From $271 USD
₹25,830 INR
As of November 1, 2026
Save $606 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $878 USD 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 $271 to $878, a $606 spread on the same certified stone. MOH London lists it at $878. 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: Nov 1
Current: $878 USD|Low: $271 USD|High: $888 USD|Avg: $546 USD|-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 2$271 USD
Retailer 10$320 USD
Retailer 7$390 USD
Retailer 8$440 USD
Retailer 4$495 USD
Retailer 6$589 USD
Retailer 9$608 USD
Retailer 5$617 USD
Retailer 3$769 USD
MOH London$878 USD

36 data points across 10 retailers

14 retailers$271 USD to $878 USD

A
Cheapest Retailer
-
$271 USD
₹25,830 INR
A
Retailer 2
-
$320 USD
HK$2,500 HKD
View
B+
Retailer 3
-
$390 USD
View
B+
Retailer 4
-
$399 USD
SGD 539 SGD
View
B+
Retailer 5
-
$438 USD
View
B+
Retailer 6
-
$440 USD
View
B+
Retailer 7
-
$495 USD
£390 GBP
View
B
Retailer 8
-
$511 USD
View
B
Retailer 9
-
$521 USD
View
B
Retailer 10
-
$589 USD
ZAR 9,513 ZAR
View
Retailer 11
-
$608 USD
A$936 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$617 USD
€588 EUR
View
B
Retailer 13
-
$769 USD
£605 GBP
View
Most Expensive
B
MOH London
D7EE2C3E1 · Nov 1
$878 USD
£691 GBP
View
13 more retailers have this diamond
Prices start from $271 USDSave up to $606 USD

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
$271 USD