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Cushion|Natural|GIA

1.21ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 7551329251

Certificate GIA 7551329251

Diamond specifications and retailer prices

From £1,452 GBP
HK$15,200 HKD
As of November 1, 2026
Save £2,024 GBP (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,476 GBP at MOH London · As of November 1, 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 D 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 7551329251. Listed at 15 retailers as of November 1, 2026, with prices from £1,452 to £3,476, a £2,024 spread on the same certified stone. MOH London lists it at £3,476. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551329251
Dimensions7.13 × 5.70 × 3.92 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.13 mm5.70 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551329251
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

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 1
Current: £3,476 GBP|Low: £1,452 GBP|High: £3,589 GBP|Avg: £2,039 GBP|-3.2%
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
November 1, 2026
Retailer 2£1,452 GBP
Retailer 13£1,611 GBP
Retailer 10£1,658 GBP
Retailer 5£1,724 GBP
Retailer 14£1,735 GBP
Retailer 12£1,772 GBP
Retailer 7£1,818 GBP
Retailer 6£1,821 GBP
Retailer 9£1,882 GBP
Retailer 3£1,939 GBP
Retailer 8£1,962 GBP
Retailer 11£2,435 GBP
Retailer 4£3,002 GBP
MOH London£3,476 GBP

28 data points across 14 retailers

15 retailers£1,452 GBP to £3,476 GBP

A
Cheapest Retailer
-
£1,452 GBP
HK$15,200 HKD
A
Retailer 2
-
£1,611 GBP
$2,158 USD
View
A
Retailer 3
-
£1,658 GBP
$2,222 USD
View
Final sale: no returns
A
Retailer 4
-
£1,724 GBP
$2,310 USD
View
A
Retailer 5
-
£1,735 GBP
$2,325 USD
View
A
Retailer 6
-
£1,772 GBP
$2,374 USD
View
A
Retailer 7
-
£1,818 GBP
$2,436 USD
View
A
Retailer 8
-
£1,821 GBP
$2,440 USD
View
A
Retailer 9
-
£1,882 GBP
View
Retailer 10
-
£1,939 GBP
$2,598 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
£1,962 GBP
View
B+
Retailer 12
-
£2,085 GBP
A$4,298 AUD
View
B+
Retailer 13
-
£2,435 GBP
€3,107 EUR
View
Retailer 14
-
£3,002 GBP
$4,023 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
14A85E92B · Nov 1
£3,476 GBP
View
14 more retailers have this diamond
Prices start from £1,452 GBPSave up to £2,024 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
1.21ct Cushion
£1,452 GBP