CaratHunter
Plans
Cushion|Natural|GIA

1.02ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6542781929

Certificate GIA 6542781929

Diamond specifications and retailer prices

From £851 GBP
As of November 6, 2026
Save £1,040 GBP (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,891 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 6542781929. Listed at 22 retailers as of November 2, 2026, with prices from £851 to £1,891, a £1,040 spread on the same certified stone. MOH London lists it at £1,891. 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
FluorescenceFaint
Pavilion angle37.1°
OriginNatural
Grading LabGIA
CertificateGIA 6542781929
Dimensions6.61 × 5.28 × 3.63 mm
L/W Ratio1.25
Top View
6.61 mm5.28 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542781929
Side View
Table 68.0%CrownGirdle: STK-VTKPavilion 37.1°Culet: NoneDepth 68.8%

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: £1,891 GBP|Low: £841 GBP|High: £1,938 GBP|Avg: £1,198 GBP|-1.0%
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
Retailer 18
Retailer 19
November 6, 2026
Retailer 7£851 GBP
Retailer 9£902 GBP
Retailer 19£953 GBP
Retailer 10£982 GBP
Retailer 2£996 GBP
Retailer 18£1,011 GBP
Retailer 12£1,021 GBP
Retailer 5£1,024 GBP
Retailer 13£1,047 GBP
Retailer 11£1,085 GBP
Retailer 16£1,085 GBP
Retailer 8£1,142 GBP
Retailer 4£1,146 GBP
Retailer 15£1,192 GBP
Retailer 17£1,317 GBP
Retailer 6£1,479 GBP
Retailer 14£1,495 GBP
Retailer 3£1,765 GBP
MOH London£1,891 GBP

20 data points across 19 retailers

22 retailers£851 GBP to £1,891 GBP

A
Cheapest Retailer
-
£851 GBP
A
Retailer 2
-
£902 GBP
View
Final sale: no returns
A
Retailer 3
-
£953 GBP
View
A
Retailer 4
-
£982 GBP
View
A
Retailer 5
-
£996 GBP
View
A
Retailer 6
-
£1,011 GBP
View
A
Retailer 7
-
£1,021 GBP
View
A
Retailer 8
-
£1,024 GBP
View
A
Retailer 9
-
£1,047 GBP
View
A
Retailer 10
-
£1,085 GBP
View
A
Retailer 11
-
£1,085 GBP
View
A
Retailer 12
-
£1,142 GBP
View
A
Retailer 13
-
£1,146 GBP
View
A
Retailer 14
-
£1,192 GBP
View
A
Retailer 15
-
£1,271 GBP
View
A
Retailer 16
-
£1,317 GBP
View
Retailer 17
-
£1,408 GBP
View
Price last confirmed 33 days ago
Retailer 18
-
£1,464 GBP
View
Price last confirmed 17 days ago
B+
Retailer 19
-
£1,479 GBP
View
B+
Retailer 20
-
£1,495 GBP
View
B+
Retailer 21
-
£1,765 GBP
View
Most Expensive
B+
MOH London
B7E79D172 · Nov 2
£1,891 GBP
View
21 more retailers have this diamond
Prices start from £851 GBPSave up to £1,040 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
£851 GBP