CaratHunter
Plans
Cushion|Natural|GIA

1.21ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 6555062510

Certificate GIA 6555062510

Diamond specifications and retailer prices

From £2,058 GBP
As of November 6, 2026
8 retailers carry this diamond
Most expensive: £3,343 GBP at MOH London · As of October 11, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555062510. Listed at 8 retailers as of November 6, 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

1.21
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555062510
Dimensions7.08 × 5.67 × 3.89 mm
L/W Ratio1.25
Top View
7.08 mm5.67 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555062510
Side View
Table 67.0%CrownGirdle: MED-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: £3,343 GBP|Low: £1,443 GBP|High: £3,502 GBP|Avg: £2,097 GBP|-3.4%
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
Retailer 14
Retailer 15
October 14, 2026
Retailer 12£1,443 GBP
Retailer 3£1,476 GBP
Retailer 11£1,576 GBP
Retailer 13£1,603 GBP
Retailer 2£1,724 GBP
Retailer 15£1,815 GBP
Retailer 14£1,823 GBP
Retailer 8£1,983 GBP
Retailer 4£2,058 GBP
Retailer 6£2,189 GBP
Retailer 7£2,189 GBP
Retailer 5£2,264 GBP
Retailer 10£2,344 GBP
Retailer 9£2,980 GBP
MOH London£3,343 GBP

20 data points across 15 retailers

8 retailers

Retailer 1
-
£1,443 GBP
Price last confirmed 23 days ago
Retailer 2
-
£1,476 GBP
View
Price last confirmed 24 days ago
Retailer 3
-
£1,724 GBP
View
Price last confirmed 23 days ago
Retailer 4
-
£1,815 GBP
View
Price last confirmed 23 days ago
Retailer 5
-
£1,983 GBP
View
Price last confirmed 23 days ago
B+
Retailer 6
-
£2,058 GBP
View
Retailer 7
-
£2,980 GBP
View
Price last confirmed 25 days ago
Most Expensive
MOH London
67CFAB849 · Oct 11
£3,343 GBP
View
Price last confirmed 26 days ago
7 more retailers have this diamond
Prices start from £2,058 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
£2,058 GBP