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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 $6,204 AUD
$4,348 USD
As of November 1, 2026
Save $6,302 AUD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,506 AUD at MOH London · As of November 2, 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 $6,204 to $12,506, a $6,302 spread on the same certified stone. MOH London lists it at $12,506. 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: $12,506 AUD|Low: $6,019 AUD|High: $12,656 AUD|Avg: $8,360 AUD|-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$6,422 AUD
Retailer 11$6,565 AUD
Retailer 3$6,692 AUD
Retailer 10$7,113 AUD
Retailer 2$7,555 AUD
Retailer 7$7,661 AUD
Retailer 13$7,774 AUD
Retailer 12$7,865 AUD
Retailer 4$8,591 AUD
Retailer 5$8,663 AUD
Retailer 6$8,883 AUD
Retailer 8$9,652 AUD
MOH London$12,506 AUD

36 data points across 13 retailers

18 retailers$6,204 AUD to $12,506 AUD

B+
Cheapest Retailer
-
$6,204 AUD
$4,348 USD
B+
Retailer 2
-
$6,422 AUD
$4,501 USD
View
B+
Retailer 3
-
$6,565 AUD
$4,601 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,621 AUD
$4,640 USD
View
B
Retailer 5
-
$6,692 AUD
$4,690 USD
View
Retailer 6
-
$7,113 AUD
$4,985 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$7,555 AUD
£4,169 GBP
View
B
Retailer 8
-
$7,661 AUD
£4,228 GBP
View
B
Retailer 9
-
$7,774 AUD
$5,448 USD
View
Retailer 10
-
$7,865 AUD
View
Price last confirmed 24 days ago
B
Retailer 11
-
$8,290 AUD
$5,810 USD
View
B
Retailer 12
-
$8,290 AUD
$5,810 USD
View
B
Retailer 13
-
$8,561 AUD
$6,000 USD
View
B
Retailer 14
-
$8,591 AUD
$6,021 USD
View
Retailer 15
-
$8,663 AUD
$6,071 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$8,883 AUD
€5,929 EUR
View
B
Retailer 17
-
$9,652 AUD
ZAR 109,274 ZAR
View
Most Expensive
B
MOH London
91BE725D9 · Nov 2
$12,506 AUD
£6,901 GBP
View
17 more retailers have this diamond
Prices start from $6,204 AUDSave up to $6,302 AUD

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
$6,204 AUD