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Cushion|Natural|GIA

1.21ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 2546746375

Certificate GIA 2546746375

Diamond specifications and retailer prices

From £2,426 GBP
As of November 4, 2026
Save £2,837 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,263 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 2546746375. Listed at 17 retailers as of November 4, 2026, with prices from £2,426 to £5,263, a £2,837 spread on the same certified stone. MOH London lists it at £5,263. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.9°
OriginNatural
Grading LabGIA
CertificateGIA 2546746375
Dimensions7.17 × 5.72 × 3.91 mm
L/W Ratio1.25
Top View
7.17 mm5.72 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546746375
Side View
Table 69.0%CrownGirdle: STK-VTKPavilion 38.9°Culet: NoneDepth 68.3%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £5,263 GBP|Low: £2,418 GBP|High: £5,341 GBP|Avg: £3,176 GBP|-1.5%
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
November 6, 2026
Retailer 15£2,426 GBP
Retailer 14£2,427 GBP
Retailer 2£2,613 GBP
Retailer 11£2,685 GBP
Retailer 8£2,828 GBP
Retailer 4£2,855 GBP
Retailer 12£2,859 GBP
Retailer 13£3,000 GBP
Retailer 6£3,175 GBP
Retailer 7£3,175 GBP
Retailer 10£3,198 GBP
Retailer 5£3,287 GBP
Retailer 9£3,517 GBP
Retailer 16£3,571 GBP
Retailer 3£3,755 GBP
MOH London£5,263 GBP

36 data points across 16 retailers

17 retailers£2,426 GBP to £5,263 GBP

B+
Cheapest Retailer
-
£2,426 GBP
B+
Retailer 2
-
£2,427 GBP
View
B+
Retailer 3
-
£2,486 GBP
View
B+
Retailer 4
-
£2,538 GBP
View
B+
Retailer 5
-
£2,613 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,619 GBP
View
B+
Retailer 7
-
£2,685 GBP
View
B+
Retailer 8
-
£2,855 GBP
View
Retailer 9
-
£2,859 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£3,000 GBP
View
B
Retailer 11
-
£3,175 GBP
View
B
Retailer 12
-
£3,175 GBP
View
B+
Retailer 13
-
£3,198 GBP
View
B
Retailer 14
-
£3,287 GBP
View
B
Retailer 15
-
£3,517 GBP
View
Retailer 16
-
£3,571 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
CC5059974 · Nov 4
£5,263 GBP
View
16 more retailers have this diamond
Prices start from £2,426 GBPSave up to £2,837 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
£2,426 GBP