Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1555393956

Certificate GIA 1555393956

Diamond specifications and retailer prices

From £1,252 GBP
As of November 6, 2026
Save £1,640 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,892 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555393956. Listed at 12 retailers as of November 4, 2026, with prices from £1,252 to £2,892, a £1,640 spread on the same certified stone. MOH London lists it at £2,892. 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

1.20
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555393956
Dimensions6.04 × 5.95 × 4.09 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
6.04 mm5.95 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555393956
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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: £2,892 GBP|Low: £1,233 GBP|High: £3,047 GBP|Avg: £1,793 GBP|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9£1,252 GBP
Retailer 2£1,380 GBP
Retailer 11£1,384 GBP
Retailer 6£1,387 GBP
Retailer 3£1,482 GBP
Retailer 8£1,539 GBP
Retailer 10£1,588 GBP
Retailer 5£1,629 GBP
Retailer 4£2,055 GBP
Retailer 7£2,572 GBP
MOH London£2,892 GBP

38 data points across 11 retailers

12 retailers£1,252 GBP to £2,892 GBP

A
Cheapest Retailer
-
£1,252 GBP
A
Retailer 2
-
£1,380 GBP
View
A
Retailer 3
-
£1,384 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,387 GBP
View
A
Retailer 5
-
£1,482 GBP
View
A
Retailer 6
-
£1,539 GBP
View
A
Retailer 7
-
£1,588 GBP
View
A
Retailer 8
-
£1,629 GBP
View
A
Retailer 9
-
£1,786 GBP
View
A
Retailer 10
-
£2,055 GBP
View
B+
Retailer 11
-
£2,572 GBP
View
Most Expensive
B+
MOH London
CF3235B18 · Nov 4
£2,892 GBP
View
11 more retailers have this diamond
Prices start from £1,252 GBPSave up to £1,640 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
1.20ct Cushion
£1,252 GBP