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Cushion|Natural|GIA

1.31ct D IF Cushion Natural Diamond

EX • D/IF • GIA 3515342313

Certificate GIA 3515342313

Diamond specifications and retailer prices

From £6,784 GBP
As of November 4, 2026
Save £5,251 GBP (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £12,036 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.31ct natural cushion diamond

This 1.31ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (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 3515342313. Listed at 16 retailers as of November 4, 2026, with prices from £6,784 to £12,036, a £5,251 spread on the same certified stone. MOH London lists it at £12,036. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3515342313
Dimensions7.28 × 6.18 × 4.03 mm
L/W Ratio1.18
Top View
7.28 mm6.18 mm1.31 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515342313
Side View
Table 64.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.2%

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: Nov 4
Current: £12,036 GBP|Low: £6,784 GBP|High: £12,213 GBP|Avg: £8,779 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£6,784 GBP
Retailer 5£7,154 GBP
Retailer 2£8,272 GBP
Retailer 4£8,392 GBP
Retailer 3£9,275 GBP
MOH London£12,036 GBP

45 data points across 6 retailers

16 retailers£6,784 GBP to £12,036 GBP

A
Cheapest Retailer
-
£6,784 GBP
A
Retailer 2
-
£7,154 GBP
View
A
Retailer 3
-
£7,159 GBP
View
A
Retailer 4
-
£7,367 GBP
View
A
Retailer 5
-
£7,382 GBP
View
B+
Retailer 6
-
£8,272 GBP
View
Retailer 7
-
£8,392 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£8,573 GBP
View
B+
Retailer 9
-
£9,035 GBP
View
B+
Retailer 10
-
£9,035 GBP
View
B+
Retailer 11
-
£9,206 GBP
View
B+
Retailer 12
-
£9,233 GBP
View
B+
Retailer 13
-
£9,275 GBP
View
B+
Retailer 14
-
£9,339 GBP
View
Retailer 15
-
£10,166 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
D08AD9AEC · Nov 4
£12,036 GBP
View
15 more retailers have this diamond
Prices start from £6,784 GBPSave up to £5,251 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
1.31ct Cushion
£6,784 GBP