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Cushion|Natural|GIA

0.40ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 5234370398

Certificate GIA 5234370398

Diamond specifications and retailer prices

From HK$4,551 HKD
$580 USD
As of October 28, 2026
Save HK$2,454 HKD (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$7,005 HKD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5234370398. Listed at 3 retailers as of October 28, 2026, with prices from HK$4,551 to HK$7,005, a HK$2,454 spread on the same certified stone. MOH London lists it at HK$7,005. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryFair
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5234370398
Dimensions7.07 × 3.53 × 2.57 mm
L/W Ratio2.00
Top View
7.07 mm3.53 mm0.40 ctE / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryFair
FluorescenceFaint
CertificateGIA 5234370398
Side View
Table 57.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 72.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$7,005 HKD|Low: HK$4,385 HKD|High: HK$7,045 HKD|Avg: HK$5,394 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4HK$4,385 HKD
Retailer 3HK$4,551 HKD
Retailer 2HK$5,594 HKD
MOH LondonHK$7,005 HKD

19 data points across 4 retailers

3 retailersHK$4,551 HKD to HK$7,005 HKD

B+
Cheapest Retailer
-
HK$4,551 HKD
$580 USD
B+
Retailer 2
-
HK$5,594 HKD
€679 EUR
View
Most Expensive
B
MOH London
53BC1F2C8 · Oct 29
HK$7,005 HKD
£703 GBP
View
2 more retailers have this diamond
Prices start from HK$4,551 HKDSave up to HK$2,454 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.

B+
0.40ct Cushion
HK$4,551 HKD