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Cushion|Natural|GIA

1.21ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2231885719

Certificate GIA 2231885719

Diamond specifications and retailer prices

From £2,842 GBP
As of November 6, 2026
Save £1,992 GBP (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £4,834 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231885719. Listed at 2 retailers as of November 1, 2026, with prices from £2,842 to £4,834, a £1,992 spread on the same certified stone. MOH London lists it at £4,834. 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

1.21
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.92°
OriginNatural
Grading LabGIA
CertificateGIA 2231885719
Dimensions7.14 × 5.48 × 3.83 mm
L/W Ratio1.30
Key to symbols
Crystal, Needle
Top View
7.14 mm5.48 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231885719
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 35.92°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £4,834 GBP|Low: £2,337 GBP|High: £4,886 GBP|Avg: £3,323 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£2,337 GBP
Retailer 2£2,842 GBP
MOH London£4,834 GBP

19 data points across 3 retailers

2 retailers£2,842 GBP to £4,834 GBP

B+
Cheapest Retailer
-
£2,842 GBP
Most Expensive
B
MOH London
834B5C3C6 · Nov 1
£4,834 GBP
View
1 more retailer has this diamond
Prices start from £2,842 GBPSave up to £1,992 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+
1.21ct Cushion
£2,842 GBP