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Cushion|Natural|GIA

1.31ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 2396156483

Certificate GIA 2396156483

Diamond specifications and retailer prices

From £1,807 GBP
As of November 6, 2026
Save £2,236 GBP (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,043 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2396156483. Listed at 12 retailers as of November 4, 2026, with prices from £1,807 to £4,043, a £2,236 spread on the same certified stone. MOH London lists it at £4,043. 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

1.31
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2396156483
Dimensions6.02 × 5.87 × 4.11 mm
L/W Ratio1.03
Top View
6.02 mm5.87 mm1.31 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2396156483
Side View
Table 61.0%CrownGirdle: Ext. ThickPavilionCulet: NoneDepth 70.0%

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 6
Current: £4,043 GBP|Low: £1,788 GBP|High: £4,091 GBP|Avg: £2,589 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7£1,807 GBP
Retailer 10£2,217 GBP
Retailer 9£2,237 GBP
Retailer 2£2,383 GBP
Retailer 8£2,424 GBP
Retailer 6£2,492 GBP
Retailer 11£2,530 GBP
Retailer 12£2,582 GBP
Retailer 3£2,600 GBP
Retailer 5£2,820 GBP
Retailer 4£2,938 GBP
MOH London£4,043 GBP

31 data points across 12 retailers

12 retailers£1,807 GBP to £4,043 GBP

A
Cheapest Retailer
-
£1,807 GBP
B+
Retailer 2
-
£2,152 GBP
View
B+
Retailer 3
-
£2,217 GBP
View
B+
Retailer 4
-
£2,237 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,383 GBP
View
Retailer 6
-
£2,424 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£2,492 GBP
View
B+
Retailer 8
-
£2,514 GBP
View
B+
Retailer 9
-
£2,530 GBP
View
B+
Retailer 10
-
£2,600 GBP
View
B+
Retailer 11
-
£2,820 GBP
View
Most Expensive
B
MOH London
58FD822FF · Nov 4
£4,043 GBP
View
11 more retailers have this diamond
Prices start from £1,807 GBPSave up to £2,236 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
£1,807 GBP