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Cushion|Natural|GIA

1.50ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6243001897

Certificate GIA 6243001897

Diamond specifications and retailer prices

From £1,814 GBP
As of November 4, 2026
Save £2,177 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,991 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6243001897. Listed at 16 retailers as of November 4, 2026, with prices from £1,814 to £3,991, a £2,177 spread on the same certified stone. MOH London lists it at £3,991. 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

1.50
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6243001897
Dimensions7.54 × 5.80 × 3.98 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.54 mm5.80 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6243001897
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: 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 4
Current: £3,991 GBP|Low: £1,788 GBP|High: £4,235 GBP|Avg: £2,608 GBP|-5.8%
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
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 4£1,814 GBP
Retailer 18£1,817 GBP
Retailer 5£1,913 GBP
Retailer 11£1,947 GBP
Retailer 15£1,972 GBP
Retailer 3£2,001 GBP
Retailer 12£2,108 GBP
Retailer 20£2,220 GBP
Retailer 17£2,331 GBP
Retailer 2£2,353 GBP
Retailer 6£2,413 GBP
Retailer 14£2,461 GBP
Retailer 13£2,785 GBP
Retailer 10£2,974 GBP
Retailer 7£3,153 GBP
Retailer 9£3,153 GBP
Retailer 8£3,257 GBP
Retailer 19£3,399 GBP
Retailer 16£3,769 GBP
MOH London£3,991 GBP

26 data points across 20 retailers

16 retailers£1,814 GBP to £3,991 GBP

A
Cheapest Retailer
-
£1,814 GBP
A
Retailer 2
-
£1,817 GBP
View
A
Retailer 3
-
£1,947 GBP
View
A
Retailer 4
-
£1,972 GBP
View
A
Retailer 5
-
£2,001 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,108 GBP
View
B+
Retailer 7
-
£2,220 GBP
View
B+
Retailer 8
-
£2,331 GBP
View
A
Retailer 9
-
£2,353 GBP
View
Retailer 10
-
£2,413 GBP
View
Price last confirmed 19 days ago
B+
Retailer 11
-
£2,451 GBP
View
B+
Retailer 12
-
£2,461 GBP
View
B+
Retailer 13
-
£2,785 GBP
View
B
Retailer 14
-
£3,399 GBP
View
B
Retailer 15
-
£3,769 GBP
View
Most Expensive
B
MOH London
0CB71F7B1 · Nov 4
£3,991 GBP
View
15 more retailers have this diamond
Prices start from £1,814 GBPSave up to £2,177 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
1.50ct Cushion
£1,814 GBP