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Cushion|Natural|GIA

1.05ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 3235246306

Certificate GIA 3235246306

Diamond specifications and retailer prices

From £2,490 GBP
$3,341 USD
As of November 1, 2026
Save £2,688 GBP (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,178 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct 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 3235246306. Listed at 11 retailers as of November 1, 2026, with prices from £2,490 to £5,178, a £2,688 spread on the same certified stone. MOH London lists it at £5,178. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3235246306
Dimensions5.92 × 5.92 × 4.03 mm
L/W Ratio1.00
Top View
5.92 mm5.92 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3235246306
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £5,178 GBP|Low: £2,686 GBP|High: £5,240 GBP|Avg: £3,496 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 7£2,686 GBP
Retailer 6£2,805 GBP
Retailer 2£3,167 GBP
Retailer 5£3,320 GBP
Retailer 3£3,503 GBP
Retailer 4£3,806 GBP
MOH London£5,178 GBP

45 data points across 7 retailers

11 retailers£2,490 GBP to £5,178 GBP

B+
Cheapest Retailer
-
£2,490 GBP
$3,341 USD
B+
Retailer 2
-
£2,634 GBP
$3,535 USD
View
B
Retailer 3
-
£2,686 GBP
$3,605 USD
View
B
Retailer 4
-
£2,805 GBP
$3,764 USD
View
B
Retailer 5
-
£3,167 GBP
View
B
Retailer 6
-
£3,180 GBP
$4,268 USD
View
Retailer 7
-
£3,320 GBP
A$6,853 AUD
View
Price last confirmed 30 days ago
B
Retailer 8
-
£3,503 GBP
€4,477 EUR
View
Retailer 9
-
£3,503 GBP
$4,701 USD
View
Price last confirmed 11 days ago
B
Retailer 10
-
£3,806 GBP
ZAR 82,503 ZAR
View
Most Expensive
B
MOH London
E8390349E · Nov 1
£5,178 GBP
View
10 more retailers have this diamond
Prices start from £2,490 GBPSave up to £2,688 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.

B+
1.05ct Cushion
£2,490 GBP