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Cushion|Natural|GIA

1.50ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6545795327

Certificate GIA 6545795327

Diamond specifications and retailer prices

From £1,788 GBP
As of November 6, 2026
Save £2,109 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,897 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 6545795327. Listed at 16 retailers as of November 4, 2026, with prices from £1,788 to £3,897, a £2,109 spread on the same certified stone. MOH London lists it at £3,897. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545795327
Dimensions7.46 × 5.73 × 4.18 mm
L/W Ratio1.30
Top View
7.46 mm5.73 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545795327
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.9%

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: £3,897 GBP|Low: £1,788 GBP|High: £4,305 GBP|Avg: £2,552 GBP|-9.5%
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
November 6, 2026
Retailer 11£1,788 GBP
Retailer 4£2,048 GBP
Retailer 3£2,111 GBP
Retailer 12£2,156 GBP
Retailer 6£2,204 GBP
Retailer 13£2,215 GBP
Retailer 2£2,297 GBP
Retailer 7£2,376 GBP
Retailer 10£2,403 GBP
Retailer 15£2,419 GBP
Retailer 9£2,481 GBP
Retailer 5£2,505 GBP
Retailer 8£2,720 GBP
Retailer 14£3,769 GBP
MOH London£3,897 GBP

24 data points across 15 retailers

16 retailers£1,788 GBP to £3,897 GBP

A
Cheapest Retailer
-
£1,788 GBP
Retailer 2
-
£2,048 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£2,111 GBP
View
A
Retailer 4
-
£2,156 GBP
View
Final sale: no returns
Retailer 5
-
£2,204 GBP
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£2,215 GBP
View
A
Retailer 7
-
£2,297 GBP
View
Retailer 8
-
£2,376 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£2,403 GBP
View
B+
Retailer 10
-
£2,419 GBP
View
B+
Retailer 11
-
£2,481 GBP
View
Retailer 12
-
£2,505 GBP
View
Price last confirmed 18 days ago
B+
Retailer 13
-
£2,684 GBP
View
B+
Retailer 14
-
£2,720 GBP
View
B
Retailer 15
-
£3,769 GBP
View
Most Expensive
B
MOH London
12695FE4E · Nov 4
£3,897 GBP
View
15 more retailers have this diamond
Prices start from £1,788 GBPSave up to £2,109 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
£1,788 GBP