CaratHunter
Plans
Cushion|Natural|GIA

1.20ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2546691401

Certificate GIA 2546691401

Diamond specifications and retailer prices

From £1,631 GBP
As of November 6, 2026
Save £2,012 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,643 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 2546691401. Listed at 19 retailers as of November 6, 2026, with prices from £1,631 to £3,643, a £2,012 spread on the same certified stone. MOH London lists it at £3,643. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2546691401
Dimensions7.48 × 5.55 × 3.73 mm
L/W Ratio1.35
Top View
7.48 mm5.55 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2546691401
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.1%

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: £3,643 GBP|Low: £1,631 GBP|High: £3,742 GBP|Avg: £2,288 GBP|-2.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 10£1,631 GBP
Retailer 7£1,839 GBP
Retailer 15£1,937 GBP
Retailer 16£1,961 GBP
Retailer 5£2,021 GBP
Retailer 3£2,096 GBP
Retailer 11£2,124 GBP
Retailer 14£2,140 GBP
Retailer 9£2,190 GBP
Retailer 8£2,296 GBP
Retailer 2£2,324 GBP
Retailer 17£2,357 GBP
Retailer 6£2,480 GBP
Retailer 4£2,486 GBP
Retailer 12£2,549 GBP
Retailer 13£2,673 GBP
MOH London£3,643 GBP

20 data points across 17 retailers

19 retailers£1,631 GBP to £3,643 GBP

A
Cheapest Retailer
-
£1,631 GBP
A
Retailer 2
-
£1,839 GBP
View
A
Retailer 3
-
£1,937 GBP
View
A
Retailer 4
-
£1,961 GBP
View
B+
Retailer 5
-
£2,021 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,096 GBP
View
B+
Retailer 7
-
£2,124 GBP
View
B+
Retailer 8
-
£2,140 GBP
View
Retailer 9
-
£2,190 GBP
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£2,296 GBP
View
B+
Retailer 11
-
£2,324 GBP
View
B+
Retailer 12
-
£2,336 GBP
View
B+
Retailer 13
-
£2,357 GBP
View
Retailer 14
-
£2,454 GBP
View
Price last confirmed 31 days ago
B+
Retailer 15
-
£2,480 GBP
View
B+
Retailer 16
-
£2,486 GBP
View
B+
Retailer 17
-
£2,549 GBP
View
B+
Retailer 18
-
£2,673 GBP
View
Most Expensive
B
MOH London
DF1CD3286 · Nov 7
£3,643 GBP
View
18 more retailers have this diamond
Prices start from £1,631 GBPSave up to £2,012 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
£1,631 GBP