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Cushion|Natural|GIA

1.02ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 2556373713

Certificate GIA 2556373713

Diamond specifications and retailer prices

From £1,204 GBP
As of November 6, 2026
Save £1,585 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,790 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 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 2556373713. Listed at 19 retailers as of November 2, 2026, with prices from £1,204 to £2,790, a £1,585 spread on the same certified stone. MOH London lists it at £2,790. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556373713
Dimensions6.90 × 5.30 × 3.54 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
6.90 mm5.30 mm1.02 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556373713
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.9%

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: £2,790 GBP|Low: £1,186 GBP|High: £2,842 GBP|Avg: £1,762 GBP|-1.6%
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
November 6, 2026
Retailer 16£1,204 GBP
Retailer 9£1,211 GBP
Retailer 13£1,328 GBP
Retailer 4£1,331 GBP
Retailer 2£1,384 GBP
Retailer 7£1,414 GBP
Retailer 8£1,476 GBP
Retailer 6£1,501 GBP
Retailer 15£1,524 GBP
Retailer 3£1,535 GBP
Retailer 12£1,567 GBP
Retailer 5£1,745 GBP
Retailer 11£1,943 GBP
Retailer 10£2,161 GBP
Retailer 14£2,444 GBP
Retailer 17£2,600 GBP
MOH London£2,790 GBP

26 data points across 17 retailers

19 retailers£1,204 GBP to £2,790 GBP

A
Cheapest Retailer
-
£1,204 GBP
A
Retailer 2
-
£1,211 GBP
View
A
Retailer 3
-
£1,328 GBP
View
A
Retailer 4
-
£1,331 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,384 GBP
View
A
Retailer 6
-
£1,414 GBP
View
A
Retailer 7
-
£1,476 GBP
View
B+
Retailer 8
-
£1,501 GBP
View
A
Retailer 9
-
£1,524 GBP
View
B+
Retailer 10
-
£1,535 GBP
View
B+
Retailer 11
-
£1,567 GBP
View
B+
Retailer 12
-
£1,665 GBP
View
B+
Retailer 13
-
£1,745 GBP
View
B+
Retailer 14
-
£1,943 GBP
View
Retailer 15
-
£1,980 GBP
View
Price last confirmed 34 days ago
B+
Retailer 16
-
£2,161 GBP
View
B
Retailer 17
-
£2,444 GBP
View
B
Retailer 18
-
£2,600 GBP
View
Most Expensive
B
MOH London
F451779A2 · Nov 2
£2,790 GBP
View
18 more retailers have this diamond
Prices start from £1,204 GBPSave up to £1,585 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
£1,204 GBP