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Cushion|Natural|GIA

0.31ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 6552935899

Certificate GIA 6552935899

Diamond specifications and retailer prices

From £255 GBP
$342 USD
As of October 29, 2026
Save £295 GBP (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £550 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552935899. Listed at 8 retailers as of October 29, 2026, with prices from £255 to £550, a £295 spread on the same certified stone. MOH London lists it at £550. 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

0.31
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552935899
Dimensions4.58 × 3.43 × 2.40 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Crystal
Top View
4.58 mm3.43 mm0.31 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 6552935899
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £550 GBP|Low: £250 GBP|High: £554 GBP|Avg: £340 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 7£250 GBP
Retailer 5£255 GBP
Retailer 6£273 GBP
Retailer 2£304 GBP
Retailer 4£325 GBP
Retailer 8£334 GBP
Retailer 3£400 GBP
MOH London£550 GBP

44 data points across 8 retailers

8 retailers£255 GBP to £550 GBP

Retailer 1
-
£250 GBP
SGD 453 SGD
Price last confirmed 7 days ago
A
Retailer 2
-
£255 GBP
$342 USD
View
A
Retailer 3
-
£273 GBP
$367 USD
View
B+
Retailer 4
-
£304 GBP
View
B+
Retailer 5
-
£325 GBP
View
B+
Retailer 6
-
£334 GBP
$448 USD
View
B+
Retailer 7
-
£400 GBP
€511 EUR
View
Most Expensive
B
MOH London
0D6EF4132 · Oct 29
£550 GBP
View
7 more retailers have this diamond
Prices start from £255 GBPSave up to £295 GBP

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
0.31ct Cushion
£255 GBP