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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 $45,279 SGD
As of November 5, 2026
Save $29,372 SGD (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $74,651 SGD at MOH London · As of November 4, 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 10 retailers as of November 4, 2026, with prices from $45,279 to $74,651, a $29,372 spread on the same certified stone. MOH London lists it at $74,651. 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: $74,651 SGD|Low: $45,279 SGD|High: $75,753 SGD|Avg: $53,813 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6$45,279 SGD
Retailer 10$45,958 SGD
Retailer 3$46,873 SGD
Retailer 8$47,654 SGD
Retailer 2$48,297 SGD
Retailer 7$50,778 SGD
Retailer 5$55,856 SGD
Retailer 9$56,638 SGD
Retailer 4$56,657 SGD
MOH London$74,651 SGD

29 data points across 10 retailers

10 retailers$45,279 SGD to $74,651 SGD

A
Cheapest Retailer
-
$45,279 SGD
B+
Retailer 2
-
$45,958 SGD
View
B+
Retailer 3
-
$46,873 SGD
View
B+
Retailer 4
-
$47,654 SGD
View
B+
Retailer 5
-
$48,297 SGD
View
B+
Retailer 6
-
$50,778 SGD
View
B
Retailer 7
-
$55,856 SGD
View
B
Retailer 8
-
$56,638 SGD
View
B+
Retailer 9
-
$56,657 SGD
View
Most Expensive
B
MOH London
E6040FEFE · Nov 4
$74,651 SGD
£45,865 GBP
View
9 more retailers have this diamond
Prices start from $45,279 SGDSave up to $29,372 SGD

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
$45,279 SGD