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Cushion|Natural|GIA

1.50ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1549516192

Certificate GIA 1549516192

Diamond specifications and retailer prices

From £1,587 GBP
As of November 6, 2026
Save £2,036 GBP (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,623 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 1549516192. Listed at 13 retailers as of November 4, 2026, with prices from £1,587 to £3,623, a £2,036 spread on the same certified stone. MOH London lists it at £3,623. 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
SymmetryExcellent
FluorescenceNone
Pavilion angle37.6°
OriginNatural
Grading LabGIA
CertificateGIA 1549516192
Dimensions7.59 × 6.05 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.59 mm6.05 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549516192
Side View
Table 69.0%CrownGirdle: STK-VTKPavilion 37.6°Culet: NoneDepth 68.5%

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 6
Current: £3,623 GBP|Low: £1,558 GBP|High: £3,827 GBP|Avg: £2,485 GBP|-5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12£1,587 GBP
Retailer 2£1,780 GBP
Retailer 11£2,010 GBP
Retailer 7£2,047 GBP
Retailer 9£2,194 GBP
Retailer 8£2,209 GBP
Retailer 4£2,252 GBP
Retailer 6£2,413 GBP
Retailer 3£2,563 GBP
Retailer 10£2,660 GBP
Retailer 5£3,471 GBP
MOH London£3,623 GBP

33 data points across 12 retailers

13 retailers£1,587 GBP to £3,623 GBP

A
Cheapest Retailer
-
£1,587 GBP
A
Retailer 2
-
£1,780 GBP
View
Final sale: no returns
A
Retailer 3
-
£2,010 GBP
View
A
Retailer 4
-
£2,047 GBP
View
A
Retailer 5
-
£2,194 GBP
View
A
Retailer 6
-
£2,209 GBP
View
B+
Retailer 7
-
£2,238 GBP
View
A
Retailer 8
-
£2,252 GBP
View
A
Retailer 9
-
£2,413 GBP
View
B+
Retailer 10
-
£2,563 GBP
View
B+
Retailer 11
-
£2,660 GBP
View
B
Retailer 12
-
£3,471 GBP
View
Most Expensive
B
MOH London
192BCCCEB · Nov 4
£3,623 GBP
View
12 more retailers have this diamond
Prices start from £1,587 GBPSave up to £2,036 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
£1,587 GBP