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Cushion|Natural|GIA

1.03ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6542903352

Certificate GIA 6542903352

Diamond specifications and retailer prices

From £1,176 GBP
As of November 6, 2026
Save £1,551 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,727 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct 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 6542903352. Listed at 19 retailers as of November 4, 2026, with prices from £1,176 to £2,727, a £1,551 spread on the same certified stone. MOH London lists it at £2,727. 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

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 6542903352
Dimensions6.07 × 5.85 × 3.83 mm
L/W Ratio1.04
Top View
6.07 mm5.85 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542903352
Side View
Table 65.0%CrownGirdle: MED-THKPavilion 39.3°Culet: NoneDepth 65.5%

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: £2,727 GBP|Low: £1,157 GBP|High: £2,735 GBP|Avg: £1,625 GBP|-0.0%
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
November 6, 2026
Retailer 7£1,176 GBP
Retailer 9£1,304 GBP
Retailer 10£1,307 GBP
Retailer 18£1,317 GBP
Retailer 2£1,346 GBP
Retailer 11£1,372 GBP
Retailer 17£1,396 GBP
Retailer 4£1,433 GBP
Retailer 5£1,449 GBP
Retailer 15£1,486 GBP
Retailer 8£1,509 GBP
Retailer 12£1,514 GBP
Retailer 16£1,535 GBP
Retailer 6£1,710 GBP
Retailer 14£1,904 GBP
Retailer 13£2,119 GBP
Retailer 3£2,421 GBP
MOH London£2,727 GBP

20 data points across 18 retailers

19 retailers£1,176 GBP to £2,727 GBP

A
Cheapest Retailer
-
£1,176 GBP
A
Retailer 2
-
£1,304 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,307 GBP
View
A
Retailer 4
-
£1,317 GBP
View
A
Retailer 5
-
£1,346 GBP
View
A
Retailer 6
-
£1,372 GBP
View
A
Retailer 7
-
£1,396 GBP
View
A
Retailer 8
-
£1,433 GBP
View
A
Retailer 9
-
£1,449 GBP
View
A
Retailer 10
-
£1,486 GBP
View
A
Retailer 11
-
£1,509 GBP
View
A
Retailer 12
-
£1,514 GBP
View
A
Retailer 13
-
£1,535 GBP
View
A
Retailer 14
-
£1,710 GBP
View
B+
Retailer 15
-
£1,904 GBP
View
Retailer 16
-
£1,948 GBP
View
Price last confirmed 32 days ago
B+
Retailer 17
-
£2,119 GBP
View
B+
Retailer 18
-
£2,421 GBP
View
Most Expensive
B
MOH London
6F35AD245 · Nov 4
£2,727 GBP
View
18 more retailers have this diamond
Prices start from £1,176 GBPSave up to £1,551 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
1.03ct Cushion
£1,176 GBP