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Cushion|Natural|GIA

1.21ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5232922722

Certificate GIA 5232922722

Diamond specifications and retailer prices

From £1,095 GBP
As of November 5, 2026
Save £891 GBP (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,986 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232922722. Listed at 6 retailers as of November 4, 2026, with prices from £1,095 to £1,986, a £891 spread on the same certified stone. MOH London lists it at £1,986. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5232922722
Dimensions6.57 × 5.26 × 3.73 mm
L/W Ratio1.25
Top View
6.57 mm5.26 mm1.21 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5232922722
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 71.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,986 GBP|Low: £1,095 GBP|High: £2,015 GBP|Avg: £1,414 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,095 GBP
Retailer 6£1,136 GBP
Retailer 4£1,255 GBP
Retailer 3£1,387 GBP
Retailer 2£1,543 GBP
MOH London£1,986 GBP

44 data points across 6 retailers

6 retailers£1,095 GBP to £1,986 GBP

A
Cheapest Retailer
-
£1,095 GBP
Retailer 2
-
£1,136 GBP
View
Price last confirmed 30 days ago
B+
Retailer 3
-
£1,255 GBP
View
B+
Retailer 4
-
£1,387 GBP
View
B+
Retailer 5
-
£1,543 GBP
View
Most Expensive
B
MOH London
0231C0368 · Nov 4
£1,986 GBP
View
5 more retailers have this diamond
Prices start from £1,095 GBPSave up to £891 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
1.21ct Cushion
£1,095 GBP