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Cushion|Natural|GIA

3.40ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6465156888

Certificate GIA 6465156888

Diamond specifications and retailer prices

From HK$249,261 HKD
As of November 5, 2026
Save HK$157,300 HKD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$406,561 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 3.4ct natural cushion diamond

This 3.4ct natural cushion sits in the three to five 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 6465156888. Listed at 11 retailers as of November 5, 2026, with prices from HK$249,261 to HK$406,561, a HK$157,300 spread on the same certified stone. MOH London lists it at HK$406,561. 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

3.40
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6465156888
Dimensions8.79 × 7.94 × 5.51 mm
L/W Ratio1.11
Top View
8.79 mm7.94 mm3.40 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6465156888
Side View
Table 60.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 69.3%

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 5
Current: HK$406,561 HKD|Low: HK$249,261 HKD|High: HK$516,527 HKD|Avg: HK$324,432 HKD|-20.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7HK$249,261 HKD
Retailer 3HK$250,820 HKD
Retailer 9HK$262,208 HKD
Retailer 4HK$263,634 HKD
Retailer 5HK$266,472 HKD
Retailer 10HK$277,130 HKD
Retailer 11HK$309,107 HKD
Retailer 8HK$311,874 HKD
Retailer 6HK$315,769 HKD
Retailer 2HK$316,341 HKD
MOH LondonHK$406,561 HKD

37 data points across 11 retailers

11 retailersHK$249,261 HKD to HK$406,561 HKD

A
Cheapest Retailer
-
HK$249,261 HKD
A
Retailer 2
-
HK$250,820 HKD
View
A
Retailer 3
-
HK$262,208 HKD
View
A
Retailer 4
-
HK$263,634 HKD
View
A
Retailer 5
-
HK$266,472 HKD
View
A
Retailer 6
-
HK$277,130 HKD
View
B+
Retailer 7
-
HK$309,107 HKD
View
B+
Retailer 8
-
HK$311,874 HKD
View
B+
Retailer 9
-
HK$315,769 HKD
View
B+
Retailer 10
-
HK$316,341 HKD
View
Most Expensive
B+
MOH London
2AB4E77FF · Nov 7
HK$406,561 HKD
£40,846 GBP
View
10 more retailers have this diamond
Prices start from HK$249,261 HKDSave up to HK$157,300 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
3.40ct Cushion
HK$249,261 HKD