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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2547620731

Certificate GIA 2547620731

Diamond specifications and retailer prices

From £1,568 GBP
As of November 6, 2026
Save £2,034 GBP (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,602 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547620731. Listed at 16 retailers as of November 4, 2026, with prices from £1,568 to £3,602, a £2,034 spread on the same certified stone. MOH London lists it at £3,602. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547620731
Dimensions7.11 × 5.45 × 3.75 mm
L/W Ratio1.30
Top View
7.11 mm5.45 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547620731
Side View
Table 66.0%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: £3,602 GBP|Low: £1,558 GBP|High: £3,673 GBP|Avg: £2,198 GBP|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11£1,568 GBP
Retailer 2£1,631 GBP
Retailer 9£1,845 GBP
Retailer 3£1,902 GBP
Retailer 4£2,072 GBP
Retailer 12£2,167 GBP
Retailer 6£2,179 GBP
Retailer 7£2,182 GBP
Retailer 10£2,241 GBP
Retailer 5£2,399 GBP
Retailer 8£2,516 GBP
MOH London£3,602 GBP

28 data points across 12 retailers

16 retailers£1,568 GBP to £3,602 GBP

A
Cheapest Retailer
-
£1,568 GBP
A
Retailer 2
-
£1,631 GBP
View
B+
Retailer 3
-
£1,845 GBP
View
B+
Retailer 4
-
£1,902 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,960 GBP
View
B+
Retailer 6
-
£1,961 GBP
View
Retailer 7
-
£2,072 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£2,167 GBP
View
B+
Retailer 9
-
£2,179 GBP
View
B+
Retailer 10
-
£2,182 GBP
View
B
Retailer 11
-
£2,228 GBP
View
B+
Retailer 12
-
£2,241 GBP
View
Retailer 13
-
£2,332 GBP
View
Price last confirmed 31 days ago
B+
Retailer 14
-
£2,399 GBP
View
B+
Retailer 15
-
£2,516 GBP
View
Most Expensive
B
MOH London
4167D9B16 · Nov 4
£3,602 GBP
View
15 more retailers have this diamond
Prices start from £1,568 GBPSave up to £2,034 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
£1,568 GBP