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Cushion|Natural|GIA

1.54ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6542283800

Certificate GIA 6542283800

Diamond specifications and retailer prices

From £3,245 GBP
$4,348 USD
As of November 1, 2026
Save £3,296 GBP (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,541 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct natural cushion sits in the one-and-a-half to two 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 6542283800. Listed at 18 retailers as of November 1, 2026, with prices from £3,245 to £6,541, a £3,296 spread on the same certified stone. MOH London lists it at £6,541. 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

1.54
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542283800
Dimensions7.47 × 5.76 × 3.97 mm
L/W Ratio1.30
Top View
7.47 mm5.76 mm1.54 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542283800
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.9%

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: £6,541 GBP|Low: £3,148 GBP|High: £6,620 GBP|Avg: £4,366 GBP|-0.1%
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 9£3,359 GBP
Retailer 11£3,434 GBP
Retailer 3£3,500 GBP
Retailer 10£3,720 GBP
Retailer 7£3,952 GBP
Retailer 6£4,007 GBP
Retailer 13£4,066 GBP
Retailer 12£4,113 GBP
Retailer 4£4,493 GBP
Retailer 5£4,531 GBP
Retailer 2£4,646 GBP
Retailer 8£5,048 GBP
MOH London£6,541 GBP

37 data points across 13 retailers

18 retailers£3,245 GBP to £6,541 GBP

B+
Cheapest Retailer
-
£3,245 GBP
$4,348 USD
B+
Retailer 2
-
£3,359 GBP
$4,501 USD
View
B+
Retailer 3
-
£3,434 GBP
$4,601 USD
View
Final sale: no returns
B+
Retailer 4
-
£3,463 GBP
$4,640 USD
View
B
Retailer 5
-
£3,500 GBP
$4,690 USD
View
Retailer 6
-
£3,720 GBP
$4,985 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£3,952 GBP
View
B
Retailer 8
-
£4,007 GBP
View
B
Retailer 9
-
£4,066 GBP
$5,448 USD
View
Retailer 10
-
£4,113 GBP
A$8,479 AUD
View
Price last confirmed 23 days ago
B
Retailer 11
-
£4,336 GBP
$5,810 USD
View
B
Retailer 12
-
£4,336 GBP
$5,810 USD
View
B
Retailer 13
-
£4,478 GBP
$6,000 USD
View
B
Retailer 14
-
£4,493 GBP
$6,021 USD
View
Retailer 15
-
£4,531 GBP
$6,071 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
£4,646 GBP
€5,929 EUR
View
B
Retailer 17
-
£5,048 GBP
ZAR 109,274 ZAR
View
Most Expensive
B
MOH London
91BE725D9 · Nov 1
£6,541 GBP
View
17 more retailers have this diamond
Prices start from £3,245 GBPSave up to £3,296 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+
1.54ct Cushion
£3,245 GBP