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Cushion|Natural|GIA

1.22ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2557640569

Certificate GIA 2557640569

Diamond specifications and retailer prices

From £2,956 GBP
A$6,088 AUD
As of November 7, 2026
2 retailers carry this diamond
Most expensive: £2,956 GBP at GemTrove
View at GemTrove

About this 1.22ct natural cushion diamond

This 1.22ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557640569. Listed at 2 retailers as of November 7, 2026. 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

1.22
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557640569
Dimensions7.45 × 5.44 × 3.66 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud
Top View
7.45 mm5.44 mm1.22 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557640569
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 7
Current: £2,956 GBP|Low: £2,381 GBP|High: £4,962 GBP|Avg: £3,166 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 9, 2026
Retailer 10£2,381 GBP
Retailer 4£2,400 GBP
Retailer 7£2,689 GBP
Retailer 11£2,895 GBP
Retailer 6£2,903 GBP
GemTrove£2,956 GBP
Retailer 2£3,028 GBP
Retailer 9£3,152 GBP
Retailer 3£3,393 GBP
Retailer 8£3,620 GBP
Retailer 5£4,924 GBP

33 data points across 11 retailers

2 retailers

Retailer 1
-
£2,381 GBP
Price last confirmed 57 days ago
Most Expensive
B
GemTrove
GT-N-00946785-98 · Nov 7
£2,956 GBP
A$6,088 AUD
View
1 more retailer has this diamond

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
1.22ct Cushion
£2,956 GBP