CaratHunter
Plans
Cushion|Natural|GIA

3.11ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6545995049

Certificate GIA 6545995049

Diamond specifications and retailer prices

From HK$276,895 HKD
As of November 5, 2026
Save HK$179,622 HKD (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$456,517 HKD 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 HK$276,895 to HK$456,517, a HK$179,622 spread on the same certified stone. MOH London lists it at HK$456,517. 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: HK$456,517 HKD|Low: HK$276,895 HKD|High: HK$463,256 HKD|Avg: HK$329,084 HKD|-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 6HK$276,895 HKD
Retailer 10HK$281,049 HKD
Retailer 3HK$286,645 HKD
Retailer 8HK$291,418 HKD
Retailer 2HK$295,352 HKD
Retailer 7HK$310,526 HKD
Retailer 5HK$341,577 HKD
Retailer 9HK$346,358 HKD
Retailer 4HK$346,476 HKD
MOH LondonHK$456,517 HKD

29 data points across 10 retailers

10 retailersHK$276,895 HKD to HK$456,517 HKD

A
Cheapest Retailer
-
HK$276,895 HKD
B+
Retailer 2
-
HK$281,049 HKD
View
B+
Retailer 3
-
HK$286,645 HKD
View
B+
Retailer 4
-
HK$291,418 HKD
View
B+
Retailer 5
-
HK$295,352 HKD
View
B+
Retailer 6
-
HK$310,526 HKD
View
B
Retailer 7
-
HK$341,577 HKD
View
B
Retailer 8
-
HK$346,358 HKD
View
B+
Retailer 9
-
HK$346,476 HKD
View
Most Expensive
B
MOH London
E6040FEFE · Nov 4
HK$456,517 HKD
£45,865 GBP
View
9 more retailers have this diamond
Prices start from HK$276,895 HKDSave up to HK$179,622 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
3.11ct Cushion
HK$276,895 HKD