CaratHunter
Plans
Cushion|Natural|GIA

1.21ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 7541188741

Certificate GIA 7541188741

Diamond specifications and retailer prices

From £2,052 GBP
As of November 6, 2026
Save £2,314 GBP (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,366 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct 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 7541188741. Listed at 12 retailers as of November 4, 2026, with prices from £2,052 to £4,366, a £2,314 spread on the same certified stone. MOH London lists it at £4,366. 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

1.21
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7541188741
Dimensions6.65 × 5.12 × 3.56 mm
L/W Ratio1.30
Cert comments
Pinpoints are not shown.
Key to symbols
Crystal
Top View
6.65 mm5.12 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7541188741
Side View
Table 66.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.6%

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: £4,366 GBP|Low: £1,913 GBP|High: £4,424 GBP|Avg: £2,673 GBP|+9.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 12£2,052 GBP
Retailer 9£2,124 GBP
Retailer 8£2,126 GBP
Retailer 3£2,136 GBP
Retailer 11£2,247 GBP
Retailer 4£2,519 GBP
Retailer 5£2,539 GBP
Retailer 2£2,708 GBP
Retailer 10£2,965 GBP
Retailer 6£3,047 GBP
Retailer 7£3,195 GBP
MOH London£4,366 GBP

39 data points across 12 retailers

12 retailers£2,052 GBP to £4,366 GBP

B+
Cheapest Retailer
-
£2,052 GBP
B+
Retailer 2
-
£2,124 GBP
View
B+
Retailer 3
-
£2,126 GBP
View
Retailer 4
-
£2,136 GBP
View
Price last confirmed 26 days ago
B+
Retailer 5
-
£2,247 GBP
View
Retailer 6
-
£2,519 GBP
View
Price last confirmed 31 days ago
B+
Retailer 7
-
£2,539 GBP
View
B+
Retailer 8
-
£2,708 GBP
View
Retailer 9
-
£2,965 GBP
View
Price last confirmed 15 days ago
B
Retailer 10
-
£3,047 GBP
View
B
Retailer 11
-
£3,195 GBP
View
Most Expensive
B
MOH London
9683371B7 · Nov 4
£4,366 GBP
View
11 more retailers have this diamond
Prices start from £2,052 GBPSave up to £2,314 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+
1.21ct Cushion
£2,052 GBP