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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 HK$2,198 HKD
₹26,676 INR
As of November 2, 2026
Save HK$4,907 HKD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$7,105 HKD 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 HK$2,198 to HK$7,105, a HK$4,907 spread on the same certified stone. MOH London lists it at HK$7,105. 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
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 2
Current: HK$7,105 HKD|Low: HK$2,193 HKD|High: HK$7,184 HKD|Avg: HK$4,476 HKD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 3HK$2,198 HKD
Retailer 8HK$3,138 HKD
Retailer 9HK$3,311 HKD
Retailer 10HK$3,546 HKD
Retailer 2HK$4,015 HKD
Retailer 7HK$4,747 HKD
Retailer 6HK$4,767 HKD
Retailer 5HK$5,586 HKD
Retailer 4HK$6,223 HKD
MOH LondonHK$7,105 HKD

27 data points across 10 retailers

12 retailersHK$2,198 HKD to HK$7,105 HKD

A
Cheapest Retailer
-
HK$2,198 HKD
₹26,676 INR
B+
Retailer 2
-
HK$3,138 HKD
$400 USD
View
B+
Retailer 3
-
HK$3,311 HKD
$422 USD
View
B+
Retailer 4
-
HK$3,546 HKD
$452 USD
View
B+
Retailer 5
-
HK$4,015 HKD
£403 GBP
View
B
Retailer 6
-
HK$4,198 HKD
$535 USD
View
B
Retailer 7
-
HK$4,747 HKD
$605 USD
View
B
Retailer 8
-
HK$4,767 HKD
ZAR 9,816 ZAR
View
Retailer 9
-
HK$4,925 HKD
A$966 AUD
View
Price last confirmed 30 days ago
B
Retailer 10
-
HK$5,586 HKD
€678 EUR
View
B
Retailer 11
-
HK$6,223 HKD
£624 GBP
View
Most Expensive
B
MOH London
770D10AF9 · Nov 1
HK$7,105 HKD
£713 GBP
View
11 more retailers have this diamond
Prices start from HK$2,198 HKDSave up to HK$4,907 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$2,198 HKD