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Cushion|Natural|GIA

1.26ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 2231826887

Certificate GIA 2231826887

Diamond specifications and retailer prices

From £1,177 GBP
As of November 5, 2026
Save £1,276 GBP (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,453 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.26ct natural cushion diamond

This 1.26ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H 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 2231826887. Listed at 12 retailers as of November 4, 2026, with prices from £1,177 to £2,453, a £1,276 spread on the same certified stone. MOH London lists it at £2,453. 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

1.26
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231826887
Dimensions6.55 × 5.72 × 3.91 mm
L/W Ratio1.15
Girdle conditionSlightly Thick to Very Thick
Key to symbols
Twinning Wisp, Knot, Feather, Natural
Top View
6.55 mm5.72 mm1.26 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2231826887
Side View
Table 61.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 68.3%

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: £2,453 GBP|Low: £1,081 GBP|High: £2,644 GBP|Avg: £1,559 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4£1,177 GBP
Retailer 8£1,180 GBP
Retailer 5£1,189 GBP
Retailer 11£1,385 GBP
Retailer 7£1,421 GBP
Retailer 6£1,509 GBP
Retailer 10£1,509 GBP
Retailer 2£1,539 GBP
Retailer 3£1,629 GBP
Retailer 9£2,031 GBP
MOH London£2,453 GBP

41 data points across 11 retailers

12 retailers£1,177 GBP to £2,453 GBP

A
Cheapest Retailer
-
£1,177 GBP
A
Retailer 2
-
£1,180 GBP
View
A
Retailer 3
-
£1,189 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,385 GBP
View
A
Retailer 5
-
£1,421 GBP
View
A
Retailer 6
-
£1,509 GBP
View
A
Retailer 7
-
£1,509 GBP
View
A
Retailer 8
-
£1,539 GBP
View
A
Retailer 9
-
£1,554 GBP
View
A
Retailer 10
-
£1,629 GBP
View
B+
Retailer 11
-
£2,031 GBP
View
Most Expensive
B+
MOH London
CD2270C72 · Nov 4
£2,453 GBP
View
11 more retailers have this diamond
Prices start from £1,177 GBPSave up to £1,276 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
1.26ct Cushion
£1,177 GBP