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Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 2564121340

Certificate GIA 2564121340

Diamond specifications and retailer prices

From £1,080 GBP
₹137,819 INR
As of October 31, 2026
Save £1,318 GBP (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,398 GBP at MOH London · As of October 25, 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 2564121340. Listed at 14 retailers as of October 25, 2026, with prices from £1,080 to £2,398, a £1,318 spread on the same certified stone. MOH London lists it at £2,398. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564121340
Dimensions7.10 × 5.39 × 3.76 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Cloud, Indented Natural, Needle
Top View
7.10 mm5.39 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564121340
Side View
Table 57.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 69.7%

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: Oct 31
Current: £2,398 GBP|Low: £1,080 GBP|High: £2,424 GBP|Avg: £1,467 GBP|-0.8%
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
October 31, 2026
Retailer 7£1,080 GBP
Retailer 14£1,217 GBP
Retailer 8£1,231 GBP
Retailer 4£1,244 GBP
Retailer 3£1,257 GBP
Retailer 13£1,348 GBP
Retailer 11£1,383 GBP
Retailer 2£1,433 GBP
Retailer 12£1,450 GBP
Retailer 10£1,498 GBP
Retailer 5£1,499 GBP
Retailer 6£1,508 GBP
Retailer 9£1,756 GBP
MOH London£2,398 GBP

27 data points across 14 retailers

14 retailers£1,080 GBP to £2,398 GBP

A
Cheapest Retailer
-
£1,080 GBP
₹137,819 INR
A
Retailer 2
-
£1,217 GBP
$1,630 USD
View
A
Retailer 3
-
£1,231 GBP
$1,649 USD
View
B+
Retailer 4
-
£1,244 GBP
$1,667 USD
View
Final sale: no returns
A
Retailer 5
-
£1,257 GBP
$1,684 USD
View
A
Retailer 6
-
£1,348 GBP
$1,806 USD
View
A
Retailer 7
-
£1,383 GBP
$1,853 USD
View
A
Retailer 8
-
£1,433 GBP
$1,920 USD
View
A
Retailer 9
-
£1,450 GBP
$1,943 USD
View
A
Retailer 10
-
£1,498 GBP
View
A
Retailer 11
-
£1,499 GBP
$2,008 USD
View
A
Retailer 12
-
£1,508 GBP
$2,021 USD
View
B+
Retailer 13
-
£1,756 GBP
€2,241 EUR
View
Most Expensive
B+
MOH London
780EEDDCA · Oct 25
£2,398 GBP
View
13 more retailers have this diamond
Prices start from £1,080 GBPSave up to £1,318 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
£1,080 GBP