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Cushion|Natural|GIA

1.01ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6551062507

Certificate GIA 6551062507

Diamond specifications and retailer prices

From £1,138 GBP
As of November 6, 2026
Save £1,410 GBP (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,548 GBP at MOH London · As of November 7, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551062507. Listed at 22 retailers as of November 6, 2026, with prices from £1,138 to £2,548, a £1,410 spread on the same certified stone. MOH London lists it at £2,548. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551062507
Dimensions5.85 × 5.81 × 3.80 mm
L/W Ratio1.01
Top View
5.85 mm5.81 mm1.01 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551062507
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.4%

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 6
Current: £2,548 GBP|Low: £1,118 GBP|High: £2,629 GBP|Avg: £1,558 GBP|-3.1%
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
Retailer 20
November 7, 2026
Retailer 3£1,138 GBP
Retailer 6£1,154 GBP
Retailer 5£1,222 GBP
Retailer 17£1,273 GBP
Retailer 13£1,329 GBP
Retailer 10£1,349 GBP
Retailer 12£1,371 GBP
Retailer 11£1,383 GBP
Retailer 19£1,388 GBP
Retailer 20£1,397 GBP
Retailer 14£1,418 GBP
Retailer 8£1,437 GBP
Retailer 4£1,465 GBP
Retailer 9£1,522 GBP
Retailer 2£1,587 GBP
Retailer 7£1,602 GBP
Retailer 16£1,784 GBP
Retailer 15£1,985 GBP
Retailer 18£2,341 GBP
MOH London£2,548 GBP

20 data points across 20 retailers

22 retailers£1,138 GBP to £2,548 GBP

A
Cheapest Retailer
-
£1,138 GBP
A
Retailer 2
-
£1,154 GBP
View
A
Retailer 3
-
£1,222 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,273 GBP
View
A
Retailer 5
-
£1,329 GBP
View
A
Retailer 6
-
£1,349 GBP
View
A
Retailer 7
-
£1,371 GBP
View
A
Retailer 8
-
£1,383 GBP
View
A
Retailer 9
-
£1,388 GBP
View
A
Retailer 10
-
£1,397 GBP
View
A
Retailer 11
-
£1,418 GBP
View
A
Retailer 12
-
£1,437 GBP
View
A
Retailer 13
-
£1,465 GBP
View
A
Retailer 14
-
£1,522 GBP
View
A
Retailer 15
-
£1,587 GBP
View
A
Retailer 16
-
£1,602 GBP
View
B+
Retailer 17
-
£1,655 GBP
View
B+
Retailer 18
-
£1,784 GBP
View
Retailer 19
-
£1,845 GBP
View
Price last confirmed 33 days ago
B+
Retailer 20
-
£1,985 GBP
View
B+
Retailer 21
-
£2,341 GBP
View
Most Expensive
B
MOH London
F37B5366C · Nov 7
£2,548 GBP
View
21 more retailers have this diamond
Prices start from £1,138 GBPSave up to £1,410 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
£1,138 GBP