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Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 5553134068

Certificate GIA 5553134068

Diamond specifications and retailer prices

From £1,148 GBP
As of November 6, 2026
Save £1,526 GBP (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,674 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 I 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 5553134068. Listed at 13 retailers as of November 4, 2026, with prices from £1,148 to £2,674, a £1,526 spread on the same certified stone. MOH London lists it at £2,674. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553134068
Dimensions7.26 × 5.50 × 3.63 mm
L/W Ratio1.32
Top View
7.26 mm5.50 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553134068
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.0%

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: £2,674 GBP|Low: £1,148 GBP|High: £2,730 GBP|Avg: £1,668 GBP|-2.1%
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£1,148 GBP
Retailer 2£1,204 GBP
Retailer 11£1,412 GBP
Retailer 6£1,427 GBP
Retailer 3£1,540 GBP
Retailer 5£1,595 GBP
Retailer 8£1,599 GBP
Retailer 10£1,633 GBP
Retailer 7£1,662 GBP
Retailer 4£2,078 GBP
MOH London£2,674 GBP

37 data points across 11 retailers

13 retailers£1,148 GBP to £2,674 GBP

A
Cheapest Retailer
-
£1,148 GBP
A
Retailer 2
-
£1,204 GBP
View
A
Retailer 3
-
£1,412 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,427 GBP
View
B+
Retailer 5
-
£1,450 GBP
View
Retailer 6
-
£1,540 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£1,577 GBP
View
B+
Retailer 8
-
£1,595 GBP
View
B+
Retailer 9
-
£1,599 GBP
View
B+
Retailer 10
-
£1,633 GBP
View
B+
Retailer 11
-
£1,662 GBP
View
B+
Retailer 12
-
£2,078 GBP
View
Most Expensive
B
MOH London
D92B21606 · Nov 4
£2,674 GBP
View
12 more retailers have this diamond
Prices start from £1,148 GBPSave up to £1,526 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
£1,148 GBP