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Cushion|Natural|GIA

1.20ct M SI1 Cushion Natural Diamond

EX • M/SI1 • GIA 2554572567

Certificate GIA 2554572567

Diamond specifications and retailer prices

From £909 GBP
As of November 6, 2026
Save £540 GBP (37%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,449 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded M 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 2554572567. Listed at 10 retailers as of November 6, 2026, with prices from £909 to £1,449, a £540 spread on the same certified stone. Yorxs lists it at £1,449. 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

1.20
Carat
M
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554572567
Dimensions7.29 × 5.59 × 3.83 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Indented Natural
Top View
7.29 mm5.59 mm1.20 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554572567
Side View
Table 67.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £1,210 GBP|Low: £780 GBP|High: £1,475 GBP|Avg: £1,108 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Yorxs
November 6, 2026
Retailer 3£909 GBP
Retailer 8£965 GBP
Retailer 7£986 GBP
Retailer 4£1,027 GBP
Retailer 6£1,121 GBP
Retailer 5£1,146 GBP
Retailer 10£1,150 GBP
Retailer 9£1,202 GBP
Retailer 1£1,210 GBP
Retailer 2£1,264 GBP
Yorxs£1,449 GBP

5 data points across 11 retailers

10 retailers£909 GBP to £1,449 GBP

B+
Cheapest Retailer
-
£909 GBP
B+
Retailer 2
-
£965 GBP
View
Final sale: no returns
B+
Retailer 3
-
£986 GBP
View
B+
Retailer 4
-
£1,027 GBP
View
B
Retailer 5
-
£1,121 GBP
View
B
Retailer 6
-
£1,146 GBP
View
B
Retailer 7
-
£1,150 GBP
View
B
Retailer 8
-
£1,202 GBP
View
B
Retailer 9
-
£1,210 GBP
View
Most Expensive
B
Yorxs
6E2492C6E · Nov 6
£1,449 GBP
€1,847 EUR
View
9 more retailers have this diamond
Prices start from £909 GBPSave up to £540 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+
1.20ct Cushion
£909 GBP