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Cushion|Natural|GIA

1.01ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1519851594

Certificate GIA 1519851594

Diamond specifications and retailer prices

From £610 GBP
As of November 6, 2026
Save £878 GBP (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,488 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct 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 1519851594. Listed at 12 retailers as of November 2, 2026, with prices from £610 to £1,488, a £878 spread on the same certified stone. MOH London lists it at £1,488. 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

1.01
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1519851594
Dimensions6.32 × 5.78 × 3.85 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
Additional pinpoints are not shown.
Top View
6.32 mm5.78 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519851594
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,488 GBP|Low: £610 GBP|High: £1,506 GBP|Avg: £925 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£610 GBP
Retailer 6£612 GBP
Retailer 10£749 GBP
Retailer 7£779 GBP
Retailer 4£848 GBP
Retailer 9£898 GBP
Retailer 5£925 GBP
Retailer 8£964 GBP
Retailer 3£1,132 GBP
MOH London£1,488 GBP

35 data points across 10 retailers

12 retailers£610 GBP to £1,488 GBP

A
Cheapest Retailer
-
£610 GBP
A
Retailer 2
-
£612 GBP
View
A
Retailer 3
-
£749 GBP
View
Final sale: no returns
A
Retailer 4
-
£779 GBP
View
B+
Retailer 5
-
£848 GBP
View
A
Retailer 6
-
£898 GBP
View
B+
Retailer 7
-
£902 GBP
View
B+
Retailer 8
-
£925 GBP
View
B+
Retailer 9
-
£964 GBP
View
B+
Retailer 10
-
£1,132 GBP
View
B+
Retailer 11
-
£1,162 GBP
View
Most Expensive
B
MOH London
C4FDAC960 · Nov 2
£1,488 GBP
View
11 more retailers have this diamond
Prices start from £610 GBPSave up to £878 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
1.01ct Cushion
£610 GBP