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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 $46,288 AUD
As of November 5, 2026
Save $29,210 AUD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $75,498 AUD 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 $46,288 to $75,498, a $29,210 spread on the same certified stone. MOH London lists it at $75,498. 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: $75,498 AUD|Low: $46,288 AUD|High: $95,919 AUD|Avg: $60,247 AUD|-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 7$46,288 AUD
Retailer 3$46,577 AUD
Retailer 9$48,692 AUD
Retailer 4$48,957 AUD
Retailer 5$49,484 AUD
Retailer 10$51,463 AUD
Retailer 11$57,401 AUD
Retailer 8$57,915 AUD
Retailer 6$58,638 AUD
Retailer 2$58,744 AUD
MOH London$75,498 AUD

37 data points across 11 retailers

11 retailers$46,288 AUD to $75,498 AUD

A
Cheapest Retailer
-
$46,288 AUD
A
Retailer 2
-
$46,577 AUD
View
A
Retailer 3
-
$48,692 AUD
View
A
Retailer 4
-
$48,957 AUD
View
A
Retailer 5
-
$49,484 AUD
View
A
Retailer 6
-
$51,463 AUD
View
B+
Retailer 7
-
$57,401 AUD
View
B+
Retailer 8
-
$57,915 AUD
View
B+
Retailer 9
-
$58,638 AUD
View
B+
Retailer 10
-
$58,744 AUD
View
Most Expensive
B+
MOH London
2AB4E77FF · Nov 7
$75,498 AUD
£40,846 GBP
View
10 more retailers have this diamond
Prices start from $46,288 AUDSave up to $29,210 AUD

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
$46,288 AUD