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Cushion|Natural|GIA

0.40ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6552636084

Certificate GIA 6552636084

Diamond specifications and retailer prices

From HK$3,248 HKD
$414 USD
As of October 29, 2026
Save HK$3,727 HKD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$6,975 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 F 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 6552636084. Listed at 9 retailers as of October 29, 2026, with prices from HK$3,248 to HK$6,975, a HK$3,727 spread on the same certified stone. MOH London lists it at HK$6,975. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552636084
Dimensions5.02 × 4.03 × 2.64 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cavity
Top View
5.02 mm4.03 mm0.40 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6552636084
Side View
Table 66.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 65.6%

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: Oct 29
Current: HK$6,975 HKD|Low: HK$3,248 HKD|High: HK$7,244 HKD|Avg: HK$4,655 HKD|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 6HK$3,248 HKD
Retailer 7HK$3,484 HKD
Retailer 8HK$3,492 HKD
Retailer 2HK$3,938 HKD
Retailer 3HK$4,138 HKD
Retailer 5HK$4,679 HKD
Retailer 9HK$4,937 HKD
Retailer 4HK$5,503 HKD
MOH LondonHK$6,975 HKD

43 data points across 9 retailers

9 retailersHK$3,248 HKD to HK$6,975 HKD

A
Cheapest Retailer
-
HK$3,248 HKD
$414 USD
A
Retailer 2
-
HK$3,484 HKD
$444 USD
View
A
Retailer 3
-
HK$3,492 HKD
$445 USD
View
A
Retailer 4
-
HK$3,938 HKD
£395 GBP
View
A
Retailer 5
-
HK$4,138 HKD
£415 GBP
View
B+
Retailer 6
-
HK$4,679 HKD
ZAR 9,634 ZAR
View
Retailer 7
-
HK$4,937 HKD
A$968 AUD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
HK$5,503 HKD
€668 EUR
View
Most Expensive
B
MOH London
BC35A9762 · Nov 2
HK$6,975 HKD
£700 GBP
View
8 more retailers have this diamond
Prices start from HK$3,248 HKDSave up to HK$3,727 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$3,248 HKD