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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 6441267140

Certificate GIA 6441267140

Diamond specifications and retailer prices

From £1,530 GBP
As of November 6, 2026
Save £2,078 GBP (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,608 GBP at MOH London · As of November 2, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6441267140. Listed at 16 retailers as of November 2, 2026, with prices from £1,530 to £3,608, a £2,078 spread on the same certified stone. MOH London lists it at £3,608. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6441267140
Dimensions6.01 × 5.96 × 4.16 mm
L/W Ratio1.01
Top View
6.01 mm5.96 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6441267140
Side View
Table 63.0%CrownGirdle: Ext. ThickPavilionCulet: NoneDepth 69.8%

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: £3,608 GBP|Low: £1,520 GBP|High: £3,647 GBP|Avg: £2,146 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 13£1,530 GBP
Retailer 4£1,821 GBP
Retailer 16£1,845 GBP
Retailer 15£1,901 GBP
Retailer 5£1,909 GBP
Retailer 2£1,998 GBP
Retailer 6£2,025 GBP
Retailer 14£2,060 GBP
Retailer 10£2,132 GBP
Retailer 8£2,165 GBP
Retailer 11£2,179 GBP
Retailer 7£2,241 GBP
Retailer 3£2,307 GBP
Retailer 9£2,397 GBP
Retailer 12£2,513 GBP
MOH London£3,608 GBP

31 data points across 16 retailers

16 retailers£1,530 GBP to £3,608 GBP

A
Cheapest Retailer
-
£1,530 GBP
B+
Retailer 2
-
£1,821 GBP
View
B+
Retailer 3
-
£1,845 GBP
View
B+
Retailer 4
-
£1,901 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,909 GBP
View
B+
Retailer 6
-
£1,998 GBP
View
B+
Retailer 7
-
£2,025 GBP
View
Retailer 8
-
£2,060 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£2,132 GBP
View
B+
Retailer 10
-
£2,165 GBP
View
B+
Retailer 11
-
£2,179 GBP
View
B
Retailer 12
-
£2,241 GBP
View
Retailer 13
-
£2,307 GBP
View
Price last confirmed 31 days ago
B+
Retailer 14
-
£2,397 GBP
View
B+
Retailer 15
-
£2,513 GBP
View
Most Expensive
B
MOH London
7575DD6AF · Nov 2
£3,608 GBP
View
15 more retailers have this diamond
Prices start from £1,530 GBPSave up to £2,078 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
£1,530 GBP