Cushion|Natural|GIA

0.31ct J IF Cushion Natural Diamond

EX • J/IF • GIA 6545318913

Certificate GIA 6545318913

Diamond specifications and retailer prices

From £378 GBP
As of November 2, 2026
Save £327 GBP (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £705 GBP at MOH London · As of November 1, 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545318913. Listed at 6 retailers as of November 1, 2026, with prices from £378 to £705, a £327 spread on the same certified stone. MOH London lists it at £705. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.31
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545318913
Dimensions3.81 × 3.80 × 2.55 mm
L/W Ratio1.00
Top View
3.81 mm3.80 mm0.31 ctJ / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545318913
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCuletDepth 67.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £705 GBP|Low: £374 GBP|High: £780 GBP|Avg: £481 GBP|-9.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2£378 GBP
Retailer 6£422 GBP
Retailer 4£437 GBP
Retailer 7£440 GBP
Retailer 5£486 GBP
Retailer 3£493 GBP
MOH London£705 GBP

45 data points across 7 retailers

6 retailers£378 GBP to £705 GBP

B+
Cheapest Retailer
-
£378 GBP
Retailer 2
-
£422 GBP
$566 USD
View
Price last confirmed 9 days ago
B
Retailer 3
-
£437 GBP
$586 USD
View
Retailer 4
-
£486 GBP
A$1,002 AUD
View
Price last confirmed 28 days ago
B
Retailer 5
-
£493 GBP
€630 EUR
View
Most Expensive
B
MOH London
70D5AF11B · Nov 1
£705 GBP
View
5 more retailers have this diamond
Prices start from £378 GBPSave up to £327 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.

B+
0.31ct Cushion
£378 GBP