CaratHunter
Plans
Cushion|Natural|GIA

1.24ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1242097179

Certificate GIA 1242097179

Diamond specifications and retailer prices

From £1,593 GBP
$2,134 USD
As of November 2, 2026
Save £1,430 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,023 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 1242097179. Listed at 8 retailers as of November 1, 2026, with prices from £1,593 to £3,023, a £1,430 spread on the same certified stone. MOH London lists it at £3,023. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242097179
Dimensions6.70 × 5.43 × 3.79 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.70 mm5.43 mm1.24 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1242097179
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.8%

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 2
Current: £3,023 GBP|Low: £1,593 GBP|High: £3,055 GBP|Avg: £1,987 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8£1,593 GBP
Retailer 7£1,661 GBP
Retailer 4£1,683 GBP
Retailer 6£1,726 GBP
Retailer 3£1,878 GBP
Retailer 5£2,121 GBP
Retailer 2£2,153 GBP
MOH London£3,023 GBP

20 data points across 8 retailers

8 retailers£1,593 GBP to £3,023 GBP

B+
Cheapest Retailer
-
£1,593 GBP
$2,134 USD
Final sale: no returns
B+
Retailer 2
-
£1,661 GBP
$2,225 USD
View
B+
Retailer 3
-
£1,683 GBP
View
B+
Retailer 4
-
£1,726 GBP
$2,312 USD
View
B+
Retailer 5
-
£1,878 GBP
View
B
Retailer 6
-
£2,121 GBP
ZAR 45,901 ZAR
View
B
Retailer 7
-
£2,153 GBP
€2,748 EUR
View
Most Expensive
B
MOH London
0CFD18C62 · Nov 1
£3,023 GBP
View
7 more retailers have this diamond
Prices start from £1,593 GBPSave up to £1,430 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
£1,593 GBP