Cushion|Natural|GIA

1.20ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 7558676328

Certificate GIA 7558676328

Diamond specifications and retailer prices

From £1,482 GBP
As of November 6, 2026
Save £1,945 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,427 GBP at MOH London · As of November 7, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558676328. Listed at 16 retailers as of November 6, 2026, with prices from £1,482 to £3,427, a £1,945 spread on the same certified stone. MOH London lists it at £3,427. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558676328
Dimensions7.10 × 5.30 × 3.60 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.10 mm5.30 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558676328
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.8%

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: £3,427 GBP|Low: £1,463 GBP|High: £3,622 GBP|Avg: £2,126 GBP|-5.4%
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
November 7, 2026
Retailer 12£1,482 GBP
Retailer 6£1,550 GBP
Retailer 11£1,806 GBP
Retailer 3£1,815 GBP
Retailer 5£1,840 GBP
Retailer 13£1,894 GBP
Retailer 7£1,908 GBP
Retailer 9£2,056 GBP
Retailer 2£2,081 GBP
Retailer 4£2,137 GBP
Retailer 10£2,400 GBP
Retailer 8£2,442 GBP
MOH London£3,427 GBP

25 data points across 13 retailers

16 retailers£1,482 GBP to £3,427 GBP

A
Cheapest Retailer
-
£1,482 GBP
A
Retailer 2
-
£1,550 GBP
View
A
Retailer 3
-
£1,806 GBP
View
A
Retailer 4
-
£1,815 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,840 GBP
View
B+
Retailer 6
-
£1,894 GBP
View
A
Retailer 7
-
£1,908 GBP
View
B+
Retailer 8
-
£1,918 GBP
View
B+
Retailer 9
-
£2,056 GBP
View
B+
Retailer 10
-
£2,063 GBP
View
B+
Retailer 11
-
£2,081 GBP
View
B+
Retailer 12
-
£2,137 GBP
View
Retailer 13
-
£2,306 GBP
View
Price last confirmed 31 days ago
B+
Retailer 14
-
£2,400 GBP
View
B+
Retailer 15
-
£2,442 GBP
View
Most Expensive
B
MOH London
65E524AF5 · Nov 7
£3,427 GBP
View
15 more retailers have this diamond
Prices start from £1,482 GBPSave up to £1,945 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
1.20ct Cushion
£1,482 GBP