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Cushion|Natural|GIA

1.21ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 2386818345

Certificate GIA 2386818345

Diamond specifications and retailer prices

From £3,754 GBP
As of November 6, 2026
Save £2,244 GBP (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,999 GBP at MOH London · As of November 4, 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 E 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 2386818345. Listed at 3 retailers as of November 4, 2026, with prices from £3,754 to £5,999, a £2,244 spread on the same certified stone. MOH London lists it at £5,999. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2386818345
Dimensions6.78 × 5.97 × 3.98 mm
L/W Ratio1.14
Top View
6.78 mm5.97 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2386818345
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £5,999 GBP|Low: £3,714 GBP|High: £6,087 GBP|Avg: £4,690 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£3,754 GBP
Retailer 2£4,249 GBP
MOH London£5,999 GBP

43 data points across 3 retailers

3 retailers£3,754 GBP to £5,999 GBP

B
Cheapest Retailer
-
£3,754 GBP
B
Retailer 2
-
£4,249 GBP
View
Most Expensive
B
MOH London
C0329224D · Nov 4
£5,999 GBP
View
2 more retailers have this diamond
Prices start from £3,754 GBPSave up to £2,244 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
£3,754 GBP