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Cushion|Natural|GIA

1.02ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 6442383881

Certificate GIA 6442383881

Diamond specifications and retailer prices

From £1,186 GBP
As of November 6, 2026
Save £1,245 GBP (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,431 GBP at MOH London · As of November 4, 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 6442383881. Listed at 11 retailers as of November 4, 2026, with prices from £1,186 to £2,431, a £1,245 spread on the same certified stone. MOH London lists it at £2,431. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6442383881
Dimensions5.63 × 5.48 × 3.81 mm
L/W Ratio1.03
Top View
5.63 mm5.48 mm1.02 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6442383881
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,431 GBP|Low: £1,176 GBP|High: £2,463 GBP|Avg: £1,535 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8£1,186 GBP
Retailer 12£1,268 GBP
Retailer 10£1,284 GBP
Retailer 2£1,349 GBP
Retailer 9£1,391 GBP
Retailer 11£1,431 GBP
Retailer 6£1,510 GBP
Retailer 3£1,565 GBP
Retailer 4£1,576 GBP
Retailer 7£1,697 GBP
Retailer 5£1,889 GBP
MOH London£2,431 GBP

31 data points across 12 retailers

11 retailers£1,186 GBP to £2,431 GBP

B+
Cheapest Retailer
-
£1,186 GBP
B+
Retailer 2
-
£1,268 GBP
View
B+
Retailer 3
-
£1,284 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,349 GBP
View
Retailer 5
-
£1,391 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
£1,431 GBP
View
B
Retailer 7
-
£1,510 GBP
View
B
Retailer 8
-
£1,576 GBP
View
B
Retailer 9
-
£1,697 GBP
View
B
Retailer 10
-
£1,889 GBP
View
Most Expensive
B
MOH London
ABCDD1891 · Nov 4
£2,431 GBP
View
10 more retailers have this diamond
Prices start from £1,186 GBPSave up to £1,245 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+
1.02ct Cushion
£1,186 GBP