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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 $7,728 NZD
$4,348 USD
As of November 1, 2026
Save $7,849 NZD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,577 NZD 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 $7,728 to $15,577, a $7,849 spread on the same certified stone. MOH London lists it at $15,577. 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: $15,577 NZD|Low: $7,497 NZD|High: $15,764 NZD|Avg: $10,398 NZD|-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$8,000 NZD
Retailer 11$8,177 NZD
Retailer 3$8,336 NZD
Retailer 10$8,860 NZD
Retailer 2$9,410 NZD
Retailer 7$9,542 NZD
Retailer 13$9,683 NZD
Retailer 12$9,796 NZD
Retailer 4$10,701 NZD
Retailer 5$10,790 NZD
Retailer 6$11,064 NZD
Retailer 8$12,022 NZD
MOH London$15,577 NZD

37 data points across 13 retailers

18 retailers$7,728 NZD to $15,577 NZD

B+
Cheapest Retailer
-
$7,728 NZD
$4,348 USD
B+
Retailer 2
-
$8,000 NZD
$4,501 USD
View
B+
Retailer 3
-
$8,177 NZD
$4,601 USD
View
Final sale: no returns
B+
Retailer 4
-
$8,247 NZD
$4,640 USD
View
B
Retailer 5
-
$8,336 NZD
$4,690 USD
View
Retailer 6
-
$8,860 NZD
$4,985 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$9,410 NZD
£4,169 GBP
View
B
Retailer 8
-
$9,542 NZD
£4,228 GBP
View
B
Retailer 9
-
$9,683 NZD
$5,448 USD
View
Retailer 10
-
$9,796 NZD
A$8,479 AUD
View
Price last confirmed 23 days ago
B
Retailer 11
-
$10,326 NZD
$5,810 USD
View
B
Retailer 12
-
$10,326 NZD
$5,810 USD
View
B
Retailer 13
-
$10,664 NZD
$6,000 USD
View
B
Retailer 14
-
$10,701 NZD
$6,021 USD
View
Retailer 15
-
$10,790 NZD
$6,071 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$11,064 NZD
€5,929 EUR
View
B
Retailer 17
-
$12,022 NZD
ZAR 109,274 ZAR
View
Most Expensive
B
MOH London
91BE725D9 · Nov 1
$15,577 NZD
£6,901 GBP
View
17 more retailers have this diamond
Prices start from $7,728 NZDSave up to $7,849 NZD

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
$7,728 NZD