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Cushion|Natural|GIA

0.40ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5436293478

Certificate GIA 5436293478

Diamond specifications and retailer prices

From HK$3,911 HKD
As of November 7, 2026
Save HK$6,710 HKD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$10,620 HKD at MOH London · As of November 7, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5436293478. Listed at 18 retailers as of November 7, 2026, with prices from HK$3,911 to HK$10,620, a HK$6,710 spread on the same certified stone. MOH London lists it at HK$10,620. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5436293478
Dimensions4.41 × 4.12 × 2.85 mm
L/W Ratio1.07
Top View
4.41 mm4.12 mm0.40 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5436293478
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 69.2%

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 7
Current: HK$10,620 HKD|Low: HK$4,467 HKD|High: HK$10,809 HKD|Avg: HK$6,602 HKD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8HK$4,467 HKD
Retailer 4HK$4,985 HKD
Retailer 5HK$5,228 HKD
Retailer 7HK$5,619 HKD
Retailer 9HK$6,113 HKD
Retailer 10HK$6,199 HKD
Retailer 12HK$6,333 HKD
Retailer 6HK$6,474 HKD
Retailer 2HK$6,497 HKD
Retailer 3HK$6,952 HKD
Retailer 11HK$7,171 HKD
MOH LondonHK$10,620 HKD

43 data points across 12 retailers

18 retailersHK$3,911 HKD to HK$10,620 HKD

A
Cheapest Retailer
-
HK$3,911 HKD
A
Retailer 2
-
HK$4,467 HKD
View
B+
Retailer 3
-
HK$4,844 HKD
View
B+
Retailer 4
-
HK$4,985 HKD
View
B+
Retailer 5
-
HK$5,228 HKD
View
B+
Retailer 6
-
HK$5,337 HKD
View
B+
Retailer 7
-
HK$5,619 HKD
View
B+
Retailer 8
-
HK$5,651 HKD
View
B+
Retailer 9
-
HK$6,113 HKD
View
B+
Retailer 10
-
HK$6,199 HKD
View
B+
Retailer 11
-
HK$6,333 HKD
View
B
Retailer 12
-
HK$6,442 HKD
View
B
Retailer 13
-
HK$6,474 HKD
View
B
Retailer 14
-
HK$6,497 HKD
View
Retailer 15
-
HK$6,630 HKD
View
Price last confirmed 7 days ago
Retailer 16
-
HK$6,952 HKD
View
Price last confirmed 34 days ago
B
Retailer 17
-
HK$7,171 HKD
View
Most Expensive
B
MOH London
D4368579A · Nov 7
HK$10,620 HKD
£1,067 GBP
View
17 more retailers have this diamond
Prices start from HK$3,911 HKDSave up to HK$6,710 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$3,911 HKD