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Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 3555517984

Certificate GIA 3555517984

Diamond specifications and retailer prices

From £1,262 GBP
As of November 6, 2026
Save £1,670 GBP (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,932 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 3555517984. Listed at 13 retailers as of November 4, 2026, with prices from £1,262 to £2,932, a £1,670 spread on the same certified stone. MOH London lists it at £2,932. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555517984
Dimensions7.08 × 5.45 × 3.75 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.08 mm5.45 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555517984
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.8%

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: £2,932 GBP|Low: £1,252 GBP|High: £2,999 GBP|Avg: £1,775 GBP|-2.2%
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 11£1,262 GBP
Retailer 2£1,316 GBP
Retailer 7£1,485 GBP
Retailer 10£1,548 GBP
Retailer 3£1,687 GBP
Retailer 5£1,750 GBP
Retailer 8£1,763 GBP
Retailer 9£1,781 GBP
Retailer 6£1,823 GBP
Retailer 4£2,083 GBP
MOH London£2,932 GBP

35 data points across 11 retailers

13 retailers£1,262 GBP to £2,932 GBP

A
Cheapest Retailer
-
£1,262 GBP
A
Retailer 2
-
£1,316 GBP
View
A
Retailer 3
-
£1,485 GBP
View
A
Retailer 4
-
£1,548 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,591 GBP
View
Retailer 6
-
£1,687 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£1,713 GBP
View
B+
Retailer 8
-
£1,750 GBP
View
B+
Retailer 9
-
£1,763 GBP
View
B+
Retailer 10
-
£1,781 GBP
View
B+
Retailer 11
-
£1,823 GBP
View
B+
Retailer 12
-
£2,083 GBP
View
Most Expensive
B
MOH London
B2293D0D3 · Nov 4
£2,932 GBP
View
12 more retailers have this diamond
Prices start from £1,262 GBPSave up to £1,670 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
£1,262 GBP