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Cushion|Natural|GIA

1.24ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6552104149

Certificate GIA 6552104149

Diamond specifications and retailer prices

From £974 GBP
HK$10,200 HKD
As of November 1, 2026
Save £1,271 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,245 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.24ct natural cushion diamond

This 1.24ct 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 6552104149. Listed at 18 retailers as of November 1, 2026, with prices from £974 to £2,245, a £1,271 spread on the same certified stone. MOH London lists it at £2,245. 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

1.24
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552104149
Dimensions6.39 × 6.09 × 4.04 mm
L/W Ratio1.05
Top View
6.39 mm6.09 mm1.24 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552104149
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,245 GBP|Low: £958 GBP|High: £2,436 GBP|Avg: £1,415 GBP|-7.8%
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 2, 2026
Retailer 14£974 GBP
Retailer 8£1,029 GBP
Retailer 11£1,084 GBP
Retailer 2£1,088 GBP
Retailer 4£1,165 GBP
Retailer 12£1,179 GBP
Retailer 13£1,196 GBP
Retailer 6£1,228 GBP
Retailer 7£1,243 GBP
Retailer 15£1,276 GBP
Retailer 10£1,309 GBP
Retailer 17£1,427 GBP
Retailer 3£1,572 GBP
Retailer 9£1,753 GBP
Retailer 16£1,778 GBP
Retailer 5£2,022 GBP
MOH London£2,245 GBP

30 data points across 17 retailers

18 retailers£974 GBP to £2,245 GBP

A
Cheapest Retailer
-
£974 GBP
HK$10,200 HKD
A
Retailer 2
-
£1,029 GBP
$1,379 USD
View
A
Retailer 3
-
£1,084 GBP
$1,452 USD
View
A
Retailer 4
-
£1,088 GBP
$1,458 USD
View
Final sale: no returns
A
Retailer 5
-
£1,165 GBP
$1,560 USD
View
A
Retailer 6
-
£1,179 GBP
$1,580 USD
View
A
Retailer 7
-
£1,196 GBP
A$2,464 AUD
View
A
Retailer 8
-
£1,228 GBP
$1,646 USD
View
A
Retailer 9
-
£1,243 GBP
$1,665 USD
View
A
Retailer 10
-
£1,276 GBP
$1,710 USD
View
B+
Retailer 11
-
£1,309 GBP
View
B+
Retailer 12
-
£1,427 GBP
$1,912 USD
View
B+
Retailer 13
-
£1,454 GBP
A$2,998 AUD
View
Retailer 14
-
£1,572 GBP
ZAR 34,018 ZAR
View
Price last confirmed 11 days ago
Retailer 15
-
£1,753 GBP
A$3,613 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
£1,778 GBP
€2,269 EUR
View
Retailer 17
-
£2,022 GBP
$2,710 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
4B6B08B8B · Nov 1
£2,245 GBP
View
17 more retailers have this diamond
Prices start from £974 GBPSave up to £1,271 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
1.24ct Cushion
£974 GBP