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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2547466425

Certificate GIA 2547466425

Diamond specifications and retailer prices

From £1,183 GBP
HK$12,400 HKD
As of November 2, 2026
Save £1,558 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,741 GBP at MOH London · As of November 2, 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 J 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 2547466425. Listed at 16 retailers as of November 2, 2026, with prices from £1,183 to £2,741, a £1,558 spread on the same certified stone. MOH London lists it at £2,741. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547466425
Dimensions7.33 × 5.47 × 3.65 mm
L/W Ratio1.34
Top View
7.33 mm5.47 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547466425
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.7%

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 2
Current: £2,741 GBP|Low: £1,183 GBP|High: £2,786 GBP|Avg: £1,675 GBP|-1.6%
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 2, 2026
Retailer 6£1,183 GBP
Retailer 2£1,253 GBP
Retailer 3£1,275 GBP
Retailer 12£1,498 GBP
Retailer 7£1,526 GBP
Retailer 13£1,574 GBP
Retailer 5£1,659 GBP
Retailer 9£1,667 GBP
Retailer 10£1,716 GBP
Retailer 4£1,726 GBP
Retailer 11£1,934 GBP
Retailer 8£2,136 GBP
MOH London£2,741 GBP

23 data points across 13 retailers

16 retailers£1,183 GBP to £2,741 GBP

A
Cheapest Retailer
-
£1,183 GBP
HK$12,400 HKD
A
Retailer 2
-
£1,253 GBP
₹160,148 INR
View
A
Retailer 3
-
£1,275 GBP
SGD 2,313 SGD
View
B+
Retailer 4
-
£1,498 GBP
$2,010 USD
View
B+
Retailer 5
-
£1,498 GBP
$2,010 USD
View
B+
Retailer 6
-
£1,526 GBP
View
B+
Retailer 7
-
£1,574 GBP
$2,112 USD
View
B+
Retailer 8
-
£1,659 GBP
SGD 3,008 SGD
View
B+
Retailer 9
-
£1,667 GBP
$2,238 USD
View
B+
Retailer 10
-
£1,716 GBP
View
B
Retailer 11
-
£1,726 GBP
$2,316 USD
View
B
Retailer 12
-
£1,772 GBP
A$3,658 AUD
View
B+
Retailer 13
-
£1,934 GBP
ZAR 41,932 ZAR
View
Retailer 14
-
£1,947 GBP
A$4,019 AUD
View
Price last confirmed 27 days ago
B
Retailer 15
-
£2,136 GBP
€2,730 EUR
View
Most Expensive
B
MOH London
089074E9C · Nov 2
£2,741 GBP
View
15 more retailers have this diamond
Prices start from £1,183 GBPSave up to £1,558 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
£1,183 GBP