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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 HK$2,127 HKD
₹25,822 INR
As of November 2, 2026
Save HK$4,758 HKD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$6,886 HKD at MOH London · As of November 2, 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 2, 2026, with prices from HK$2,127 to HK$6,886, a HK$4,758 spread on the same certified stone. MOH London lists it at HK$6,886. 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 2
Current: HK$6,886 HKD|Low: HK$2,123 HKD|High: HK$6,965 HKD|Avg: HK$4,271 HKD|-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 2HK$2,127 HKD
Retailer 10HK$2,511 HKD
Retailer 7HK$3,060 HKD
Retailer 8HK$3,452 HKD
Retailer 5HK$3,883 HKD
Retailer 6HK$4,620 HKD
Retailer 9HK$4,773 HKD
Retailer 4HK$4,861 HKD
Retailer 3HK$6,031 HKD
MOH LondonHK$6,886 HKD

36 data points across 10 retailers

14 retailersHK$2,127 HKD to HK$6,886 HKD

A
Cheapest Retailer
-
HK$2,127 HKD
₹25,822 INR
A
Retailer 2
-
HK$2,511 HKD
View
B+
Retailer 3
-
HK$3,060 HKD
$390 USD
View
B+
Retailer 4
-
HK$3,129 HKD
SGD 539 SGD
View
B+
Retailer 5
-
HK$3,437 HKD
$438 USD
View
B+
Retailer 6
-
HK$3,452 HKD
$440 USD
View
B+
Retailer 7
-
HK$3,883 HKD
£390 GBP
View
B
Retailer 8
-
HK$4,006 HKD
$511 USD
View
B
Retailer 9
-
HK$4,088 HKD
$521 USD
View
B
Retailer 10
-
HK$4,620 HKD
ZAR 9,513 ZAR
View
Retailer 11
-
HK$4,773 HKD
A$936 AUD
View
Price last confirmed 30 days ago
B
Retailer 12
-
HK$4,861 HKD
€590 EUR
View
B
Retailer 13
-
HK$6,031 HKD
£605 GBP
View
Most Expensive
B
MOH London
D7EE2C3E1 · Nov 2
HK$6,886 HKD
£691 GBP
View
13 more retailers have this diamond
Prices start from HK$2,127 HKDSave up to HK$4,758 HKD

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
HK$2,127 HKD