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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2557552549

Certificate GIA 2557552549

Diamond specifications and retailer prices

From £917 GBP
As of November 6, 2026
Save £1,231 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,148 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 J 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 2557552549. Listed at 14 retailers as of November 4, 2026, with prices from £917 to £2,148, a £1,231 spread on the same certified stone. MOH London lists it at £2,148. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557552549
Dimensions7.13 × 5.49 × 3.77 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.13 mm5.49 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557552549
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.6%

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: £2,148 GBP|Low: £908 GBP|High: £2,194 GBP|Avg: £1,327 GBP|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£917 GBP
Retailer 2£968 GBP
Retailer 12£1,134 GBP
Retailer 8£1,151 GBP
Retailer 9£1,218 GBP
Retailer 11£1,229 GBP
Retailer 4£1,278 GBP
Retailer 6£1,280 GBP
Retailer 3£1,331 GBP
Retailer 7£1,363 GBP
Retailer 5£1,670 GBP
MOH London£2,148 GBP

39 data points across 12 retailers

14 retailers£917 GBP to £2,148 GBP

A
Cheapest Retailer
-
£917 GBP
A
Retailer 2
-
£968 GBP
View
A
Retailer 3
-
£1,134 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,151 GBP
View
A
Retailer 5
-
£1,164 GBP
View
B+
Retailer 6
-
£1,218 GBP
View
Retailer 7
-
£1,229 GBP
View
Price last confirmed 22 days ago
B+
Retailer 8
-
£1,278 GBP
View
B+
Retailer 9
-
£1,280 GBP
View
B+
Retailer 10
-
£1,331 GBP
View
B+
Retailer 11
-
£1,363 GBP
View
B+
Retailer 12
-
£1,363 GBP
View
B+
Retailer 13
-
£1,670 GBP
View
Most Expensive
B
MOH London
DA8D7FD56 · Nov 4
£2,148 GBP
View
13 more retailers have this diamond
Prices start from £917 GBPSave up to £1,231 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
£917 GBP