Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 3545159216

Certificate GIA 3545159216

Diamond specifications and retailer prices

From £1,491 GBP
As of November 6, 2026
Save £2,043 GBP (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,534 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 3545159216. Listed at 10 retailers as of November 4, 2026, with prices from £1,491 to £3,534, a £2,043 spread on the same certified stone. MOH London lists it at £3,534. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle34.99°
OriginNatural
Grading LabGIA
CertificateGIA 3545159216
Dimensions6.88 × 5.42 × 3.78 mm
L/W Ratio1.27
Top View
6.88 mm5.42 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545159216
Side View
Table 61.0%CrownGirdle: STK-VTKPavilion 34.99°Culet: NoneDepth 69.7%

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 6
Current: £3,534 GBP|Low: £1,491 GBP|High: £3,766 GBP|Avg: £2,311 GBP|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£1,491 GBP
Retailer 6£1,865 GBP
Retailer 2£1,964 GBP
Retailer 9£2,031 GBP
Retailer 4£2,046 GBP
Retailer 7£2,204 GBP
Retailer 3£2,487 GBP
Retailer 8£3,106 GBP
MOH London£3,534 GBP

44 data points across 9 retailers

10 retailers£1,491 GBP to £3,534 GBP

A
Cheapest Retailer
-
£1,491 GBP
A
Retailer 2
-
£1,865 GBP
View
A
Retailer 3
-
£1,964 GBP
View
B+
Retailer 4
-
£2,031 GBP
View
Final sale: no returns
A
Retailer 5
-
£2,046 GBP
View
B+
Retailer 6
-
£2,204 GBP
View
B+
Retailer 7
-
£2,213 GBP
View
B+
Retailer 8
-
£2,487 GBP
View
B
Retailer 9
-
£3,106 GBP
View
Most Expensive
B
MOH London
F1BCD6143 · Nov 4
£3,534 GBP
View
9 more retailers have this diamond
Prices start from £1,491 GBPSave up to £2,043 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
£1,491 GBP