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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1543880682

Certificate GIA 1543880682

Diamond specifications and retailer prices

From £747 GBP
As of November 6, 2026
Save £1,131 GBP (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,878 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 1543880682. Listed at 16 retailers as of November 4, 2026, with prices from £747 to £1,878, a £1,131 spread on the same certified stone. MOH London lists it at £1,878. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.48°
OriginNatural
Grading LabGIA
CertificateGIA 1543880682
Dimensions6.24 × 5.82 × 3.94 mm
L/W Ratio1.07
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.24 mm5.82 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543880682
Side View
Table 63.0%CrownGirdle: STK-VTKPavilion 37.48°Culet: NoneDepth 67.7%

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: Nov 6
Current: £1,878 GBP|Low: £602 GBP|High: £1,906 GBP|Avg: £1,136 GBP|-0.3%
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 10£602 GBP
Retailer 14£747 GBP
Retailer 9£793 GBP
Retailer 11£890 GBP
Retailer 7£902 GBP
Retailer 5£908 GBP
Retailer 6£1,009 GBP
Retailer 18£1,015 GBP
Retailer 15£1,121 GBP
Retailer 19£1,121 GBP
Retailer 12£1,145 GBP
Retailer 17£1,158 GBP
Retailer 13£1,342 GBP
Retailer 2£1,345 GBP
Retailer 16£1,345 GBP
Retailer 8£1,365 GBP
Retailer 3£1,479 GBP
Retailer 4£1,694 GBP
MOH London£1,878 GBP

43 data points across 19 retailers

16 retailers£747 GBP to £1,878 GBP

Retailer 1
-
£602 GBP
Price last confirmed 64 days ago
A
Retailer 2
-
£747 GBP
View
Final sale: no returns
A
Retailer 3
-
£902 GBP
View
A
Retailer 4
-
£908 GBP
View
A
Retailer 5
-
£1,009 GBP
View
A
Retailer 6
-
£1,015 GBP
View
B+
Retailer 7
-
£1,121 GBP
View
B+
Retailer 8
-
£1,121 GBP
View
B+
Retailer 9
-
£1,145 GBP
View
B+
Retailer 10
-
£1,158 GBP
View
B+
Retailer 11
-
£1,342 GBP
View
B+
Retailer 12
-
£1,345 GBP
View
B
Retailer 13
-
£1,345 GBP
View
B+
Retailer 14
-
£1,479 GBP
View
B
Retailer 15
-
£1,694 GBP
View
Most Expensive
B+
MOH London
11938DE8C · Nov 4
£1,878 GBP
View
15 more retailers have this diamond
Prices start from £747 GBPSave up to £1,131 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
£747 GBP