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Cushion|Natural|GIA

1.00ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2235587545

Certificate GIA 2235587545

Diamond specifications and retailer prices

From £722 GBP
As of November 5, 2026
Save £768 GBP (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,490 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct 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 2235587545. Listed at 8 retailers as of November 4, 2026, with prices from £722 to £1,490, a £768 spread on the same certified stone. MOH London lists it at £1,490. 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

1.00
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2235587545
Dimensions5.70 × 5.45 × 3.57 mm
L/W Ratio1.05
Top View
5.70 mm5.45 mm1.00 ctJ / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235587545
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: Very SmallDepth 65.6%

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 5
Current: £1,490 GBP|Low: £722 GBP|High: £1,510 GBP|Avg: £964 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10£722 GBP
Retailer 5£738 GBP
Retailer 7£835 GBP
Retailer 6£858 GBP
Retailer 4£918 GBP
Retailer 9£919 GBP
Retailer 3£926 GBP
Retailer 11£956 GBP
Retailer 8£968 GBP
Retailer 2£1,135 GBP
MOH London£1,490 GBP

34 data points across 11 retailers

8 retailers£722 GBP to £1,490 GBP

A
Cheapest Retailer
-
£722 GBP
Retailer 2
-
£738 GBP
View
Price last confirmed 21 days ago
A
Retailer 3
-
£835 GBP
View
A
Retailer 4
-
£858 GBP
View
B+
Retailer 5
-
£918 GBP
View
B+
Retailer 6
-
£919 GBP
View
B+
Retailer 7
-
£1,135 GBP
View
Most Expensive
B
MOH London
EB0C4D729 · Nov 4
£1,490 GBP
View
7 more retailers have this diamond
Prices start from £722 GBPSave up to £768 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
1.00ct Cushion
£722 GBP