Cushion|Natural|GIA

1.24ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2447239387

Certificate GIA 2447239387

Diamond specifications and retailer prices

From £1,548 GBP
HK$16,200 HKD
As of November 1, 2026
Save £1,688 GBP (52%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,236 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 2447239387. Listed at 13 retailers as of November 1, 2026, with prices from £1,548 to £3,236, a £1,688 spread on the same certified stone. MOH London lists it at £3,236. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2447239387
Dimensions6.05 × 5.75 × 4.08 mm
L/W Ratio1.05
Top View
6.05 mm5.75 mm1.24 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447239387
Side View
Table 61.0%CrownGirdle: THN-SLIPavilionCulet: NoneDepth 70.9%

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 1
Current: £3,236 GBP|Low: £1,538 GBP|High: £3,270 GBP|Avg: £2,024 GBP|-0.9%
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 8£1,548 GBP
Retailer 10£1,668 GBP
Retailer 4£1,691 GBP
Retailer 12£1,705 GBP
Retailer 2£1,801 GBP
Retailer 11£1,847 GBP
Retailer 5£1,952 GBP
Retailer 7£1,974 GBP
Retailer 3£2,112 GBP
Retailer 9£2,270 GBP
Retailer 13£2,274 GBP
Retailer 6£2,305 GBP
MOH London£3,236 GBP

27 data points across 13 retailers

13 retailers£1,548 GBP to £3,236 GBP

B+
Cheapest Retailer
-
£1,548 GBP
HK$16,200 HKD
B+
Retailer 2
-
£1,668 GBP
$2,235 USD
View
B+
Retailer 3
-
£1,668 GBP
$2,235 USD
View
B
Retailer 4
-
£1,705 GBP
$2,284 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,801 GBP
View
B
Retailer 6
-
£1,847 GBP
$2,475 USD
View
B
Retailer 7
-
£1,952 GBP
$2,615 USD
View
B+
Retailer 8
-
£1,974 GBP
View
B
Retailer 9
-
£2,112 GBP
$2,830 USD
View
B
Retailer 10
-
£2,270 GBP
ZAR 49,139 ZAR
View
Retailer 11
-
£2,274 GBP
A$4,687 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
£2,305 GBP
€2,942 EUR
View
Most Expensive
B
MOH London
F83FA0D05 · Nov 1
£3,236 GBP
View
12 more retailers have this diamond
Prices start from £1,548 GBPSave up to £1,688 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+
1.24ct Cushion
£1,548 GBP