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Cushion|Natural|GIA

3.11ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6545995049

Certificate GIA 6545995049

Diamond specifications and retailer prices

From $51,419 AUD
As of November 5, 2026
Save $33,128 AUD (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $84,548 AUD at MOH London · As of November 7, 2026
View at MOH London

About this 3.11ct natural cushion diamond

This 3.11ct 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 6545995049. Listed at 12 retailers as of November 5, 2026, with prices from $51,419 to $84,548, a $33,128 spread on the same certified stone. MOH London lists it at $84,548. 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

3.11
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545995049
Dimensions9.22 × 7.40 × 5.12 mm
L/W Ratio1.25
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Needle, Natural, Extra Facet
Top View
9.22 mm7.40 mm3.11 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545995049
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: 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 5
Current: $84,548 AUD|Low: $51,419 AUD|High: $86,026 AUD|Avg: $61,121 AUD|-0.5%
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 10$51,419 AUD
Retailer 4$52,191 AUD
Retailer 7$53,230 AUD
Retailer 12$54,116 AUD
Retailer 6$54,847 AUD
Retailer 11$57,664 AUD
Retailer 5$59,882 AUD
Retailer 9$63,431 AUD
Retailer 3$64,318 AUD
Retailer 8$64,340 AUD
Retailer 2$65,362 AUD
MOH London$84,548 AUD

29 data points across 12 retailers

12 retailers$51,419 AUD to $84,548 AUD

A
Cheapest Retailer
-
$51,419 AUD
B+
Retailer 2
-
$52,191 AUD
View
B+
Retailer 3
-
$53,230 AUD
View
B+
Retailer 4
-
$54,116 AUD
View
B+
Retailer 5
-
$54,847 AUD
View
B+
Retailer 6
-
$57,664 AUD
View
B+
Retailer 7
-
$59,882 AUD
View
B
Retailer 8
-
$63,431 AUD
View
B
Retailer 9
-
$64,318 AUD
View
B+
Retailer 10
-
$64,340 AUD
View
B
Retailer 11
-
$65,362 AUD
View
Most Expensive
B
MOH London
E6040FEFE · Nov 7
$84,548 AUD
£45,742 GBP
View
11 more retailers have this diamond
Prices start from $51,419 AUDSave up to $33,128 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
3.11ct Cushion
$51,419 AUD