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Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1555308320

Certificate GIA 1555308320

Diamond specifications and retailer prices

From £1,740 GBP
As of November 6, 2026
Save £2,108 GBP (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,848 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 1555308320. Listed at 12 retailers as of November 4, 2026, with prices from £1,740 to £3,848, a £2,108 spread on the same certified stone. MOH London lists it at £3,848. 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
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1555308320
Dimensions7.61 × 5.35 × 3.62 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.61 mm5.35 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1555308320
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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: £3,848 GBP|Low: £1,721 GBP|High: £4,059 GBP|Avg: £2,448 GBP|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£1,740 GBP
Retailer 2£1,810 GBP
Retailer 6£2,113 GBP
Retailer 8£2,129 GBP
Retailer 5£2,385 GBP
Retailer 10£2,392 GBP
Retailer 4£2,417 GBP
Retailer 9£2,488 GBP
Retailer 3£2,686 GBP
MOH London£3,848 GBP

31 data points across 10 retailers

12 retailers£1,740 GBP to £3,848 GBP

A
Cheapest Retailer
-
£1,740 GBP
A
Retailer 2
-
£1,810 GBP
View
B+
Retailer 3
-
£2,113 GBP
View
B+
Retailer 4
-
£2,129 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,224 GBP
View
B+
Retailer 6
-
£2,364 GBP
View
B+
Retailer 7
-
£2,385 GBP
View
Retailer 8
-
£2,392 GBP
View
Price last confirmed 21 days ago
B+
Retailer 9
-
£2,417 GBP
View
B+
Retailer 10
-
£2,488 GBP
View
B+
Retailer 11
-
£2,686 GBP
View
Most Expensive
B
MOH London
0B18D3B7B · Nov 4
£3,848 GBP
View
11 more retailers have this diamond
Prices start from £1,740 GBPSave up to £2,108 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
£1,740 GBP