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Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1263350342

Certificate GIA 1263350342

Diamond specifications and retailer prices

From £2,582 GBP
As of November 6, 2026
Save £2,769 GBP (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,351 GBP at MOH London · As of November 1, 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 1263350342. Listed at 17 retailers as of November 1, 2026, with prices from £2,582 to £5,351, a £2,769 spread on the same certified stone. MOH London lists it at £5,351. 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 1263350342
Dimensions6.58 × 5.68 × 3.69 mm
L/W Ratio1.16
Top View
6.58 mm5.68 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1263350342
Side View
Table 70.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £5,351 GBP|Low: £2,582 GBP|High: £5,416 GBP|Avg: £3,460 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£2,582 GBP
Retailer 8£2,584 GBP
Retailer 5£3,044 GBP
Retailer 6£3,234 GBP
Retailer 4£3,383 GBP
Retailer 3£3,573 GBP
Retailer 2£3,756 GBP
Retailer 9£3,800 GBP
MOH London£5,351 GBP

43 data points across 9 retailers

17 retailers£2,582 GBP to £5,351 GBP

B
Cheapest Retailer
-
£2,582 GBP
B
Retailer 2
-
£2,584 GBP
View
B
Retailer 3
-
£2,648 GBP
View
B
Retailer 4
-
£2,678 GBP
View
B
Retailer 5
-
£2,885 GBP
View
B
Retailer 6
-
£2,894 GBP
View
Retailer 7
-
£3,044 GBP
View
Price last confirmed 9 days ago
B
Retailer 8
-
£3,234 GBP
View
B
Retailer 9
-
£3,313 GBP
View
B
Retailer 10
-
£3,383 GBP
View
B
Retailer 11
-
£3,429 GBP
View
B
Retailer 12
-
£3,429 GBP
View
B
Retailer 13
-
£3,549 GBP
View
B
Retailer 14
-
£3,573 GBP
View
B
Retailer 15
-
£3,756 GBP
View
Retailer 16
-
£3,800 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
2A975BD87 · Nov 1
£5,351 GBP
View
16 more retailers have this diamond
Prices start from £2,582 GBPSave up to £2,769 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.

B
1.20ct Cushion
£2,582 GBP