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Cushion|Natural|GIA

1.02ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1429235898

Certificate GIA 1429235898

Diamond specifications and retailer prices

From £1,046 GBP
As of November 5, 2026
Save £1,021 GBP (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,067 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 H 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 1429235898. Listed at 15 retailers as of November 4, 2026, with prices from £1,046 to £2,067, a £1,021 spread on the same certified stone. MOH London lists it at £2,067. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1429235898
Dimensions5.74 × 5.26 × 3.65 mm
L/W Ratio1.09
Cert comments
Additional pinpoints are not shown.
Key to symbols
Feather, Crystal, Pinpoint
Top View
5.74 mm5.26 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1429235898
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

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: £2,067 GBP|Low: £1,000 GBP|High: £2,097 GBP|Avg: £1,326 GBP|-1.2%
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
November 6, 2026
Retailer 4£1,046 GBP
Retailer 12£1,091 GBP
Retailer 14£1,096 GBP
Retailer 10£1,098 GBP
Retailer 2£1,147 GBP
Retailer 13£1,183 GBP
Retailer 11£1,244 GBP
Retailer 3£1,284 GBP
Retailer 8£1,311 GBP
Retailer 5£1,428 GBP
Retailer 9£1,443 GBP
Retailer 6£1,543 GBP
Retailer 7£1,606 GBP
MOH London£2,067 GBP

33 data points across 14 retailers

15 retailers£1,046 GBP to £2,067 GBP

A
Cheapest Retailer
-
£1,046 GBP
A
Retailer 2
-
£1,091 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,096 GBP
View
A
Retailer 4
-
£1,098 GBP
View
A
Retailer 5
-
£1,147 GBP
View
Retailer 6
-
£1,183 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£1,244 GBP
View
A
Retailer 8
-
£1,284 GBP
View
A
Retailer 9
-
£1,311 GBP
View
A
Retailer 10
-
£1,358 GBP
View
B+
Retailer 11
-
£1,428 GBP
View
A
Retailer 12
-
£1,443 GBP
View
Retailer 13
-
£1,543 GBP
View
Price last confirmed 33 days ago
B+
Retailer 14
-
£1,606 GBP
View
Most Expensive
B+
MOH London
EDB6EA907 · Nov 4
£2,067 GBP
View
14 more retailers have this diamond
Prices start from £1,046 GBPSave up to £1,021 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
£1,046 GBP