Cushion|Natural|GIA

1.25ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 2221844060

Certificate GIA 2221844060

Diamond specifications and retailer prices

From £1,601 GBP
As of November 6, 2026
Save £1,850 GBP (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,451 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.25ct natural cushion diamond

This 1.25ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2221844060. Listed at 9 retailers as of November 4, 2026, with prices from £1,601 to £3,451, a £1,850 spread on the same certified stone. MOH London lists it at £3,451. 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

1.25
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2221844060
Dimensions6.65 × 5.93 × 4.06 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Top View
6.65 mm5.93 mm1.25 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2221844060
Side View
Table 64.0%CrownGirdle: XTN-ETKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,451 GBP|Low: £1,576 GBP|High: £3,501 GBP|Avg: £2,129 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6£1,601 GBP
Retailer 4£1,640 GBP
Retailer 7£1,686 GBP
Retailer 5£1,950 GBP
Retailer 3£2,077 GBP
Retailer 2£2,452 GBP
MOH London£3,451 GBP

43 data points across 7 retailers

9 retailers£1,601 GBP to £3,451 GBP

A
Cheapest Retailer
-
£1,601 GBP
A
Retailer 2
-
£1,609 GBP
View
A
Retailer 3
-
£1,616 GBP
View
B+
Retailer 4
-
£1,640 GBP
View
B+
Retailer 5
-
£1,686 GBP
View
B+
Retailer 6
-
£1,950 GBP
View
B+
Retailer 7
-
£2,077 GBP
View
B
Retailer 8
-
£2,452 GBP
View
Most Expensive
B
MOH London
2D159FAED · Nov 4
£3,451 GBP
View
8 more retailers have this diamond
Prices start from £1,601 GBPSave up to £1,850 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
1.25ct Cushion
£1,601 GBP