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Cushion|Natural|GIA

1.26ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7556655056

Certificate GIA 7556655056

Diamond specifications and retailer prices

From £946 GBP
HK$9,900 HKD
As of November 1, 2026
Save £1,318 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,263 GBP at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556655056. Listed at 8 retailers as of November 1, 2026, with prices from £946 to £2,263, a £1,318 spread on the same certified stone. MOH London lists it at £2,263. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.9°
OriginNatural
Grading LabGIA
CertificateGIA 7556655056
Dimensions7.08 × 5.54 × 3.86 mm
L/W Ratio1.28
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.08 mm5.54 mm1.26 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556655056
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 35.9°Culet: NoneDepth 69.6%

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 1
Current: £2,263 GBP|Low: £946 GBP|High: £2,522 GBP|Avg: £1,597 GBP|-10.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£946 GBP
Retailer 4£1,221 GBP
Retailer 3£1,260 GBP
Retailer 7£1,340 GBP
Retailer 5£1,434 GBP
Retailer 8£1,513 GBP
Retailer 6£2,014 GBP
MOH London£2,263 GBP

45 data points across 8 retailers

8 retailers£946 GBP to £2,263 GBP

A
Cheapest Retailer
-
£946 GBP
HK$9,900 HKD
A
Retailer 2
-
£1,221 GBP
$1,636 USD
View
A
Retailer 3
-
£1,260 GBP
View
A
Retailer 4
-
£1,340 GBP
SGD 2,427 SGD
View
A
Retailer 5
-
£1,434 GBP
$1,922 USD
View
A
Retailer 6
-
£1,513 GBP
A$3,118 AUD
View
B+
Retailer 7
-
£2,014 GBP
€2,570 EUR
View
Most Expensive
B+
MOH London
077ECE28F · Nov 1
£2,263 GBP
View
7 more retailers have this diamond
Prices start from £946 GBPSave up to £1,318 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
£946 GBP