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Cushion|Natural|GIA

1.02ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1553110211

Certificate GIA 1553110211

Diamond specifications and retailer prices

From £956 GBP
As of November 6, 2026
Save £1,195 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,151 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded J 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 1553110211. Listed at 19 retailers as of November 2, 2026, with prices from £956 to £2,151, a £1,195 spread on the same certified stone. MOH London lists it at £2,151. 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

1.02
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553110211
Dimensions6.91 × 5.31 × 3.54 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
6.91 mm5.31 mm1.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553110211
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.6%

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: £2,151 GBP|Low: £944 GBP|High: £2,201 GBP|Avg: £1,391 GBP|-2.3%
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
November 6, 2026
Retailer 17£956 GBP
Retailer 5£957 GBP
Retailer 4£1,027 GBP
Retailer 13£1,062 GBP
Retailer 7£1,117 GBP
Retailer 15£1,162 GBP
Retailer 8£1,177 GBP
Retailer 9£1,180 GBP
Retailer 16£1,203 GBP
Retailer 3£1,260 GBP
Retailer 6£1,346 GBP
Retailer 11£1,362 GBP
Retailer 12£1,498 GBP
Retailer 10£1,624 GBP
Retailer 2£1,667 GBP
Retailer 14£1,932 GBP
Retailer 18£2,062 GBP
MOH London£2,151 GBP

29 data points across 18 retailers

19 retailers£956 GBP to £2,151 GBP

A
Cheapest Retailer
-
£956 GBP
A
Retailer 2
-
£957 GBP
View
A
Retailer 3
-
£1,027 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,062 GBP
View
A
Retailer 5
-
£1,117 GBP
View
B+
Retailer 6
-
£1,162 GBP
View
B+
Retailer 7
-
£1,177 GBP
View
B+
Retailer 8
-
£1,180 GBP
View
B+
Retailer 9
-
£1,203 GBP
View
B+
Retailer 10
-
£1,260 GBP
View
B+
Retailer 11
-
£1,346 GBP
View
B+
Retailer 12
-
£1,362 GBP
View
B+
Retailer 13
-
£1,373 GBP
View
B+
Retailer 14
-
£1,498 GBP
View
Retailer 15
-
£1,624 GBP
View
Price last confirmed 33 days ago
B+
Retailer 16
-
£1,667 GBP
View
B
Retailer 17
-
£1,932 GBP
View
B
Retailer 18
-
£2,062 GBP
View
Most Expensive
B
MOH London
67451C668 · Nov 2
£2,151 GBP
View
18 more retailers have this diamond
Prices start from £956 GBPSave up to £1,195 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
1.02ct Cushion
£956 GBP