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Cushion|Natural|GIA

1.59ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2245083429

Certificate GIA 2245083429

Diamond specifications and retailer prices

From $7,113 AUD
$4,985 USD
As of November 1, 2026
Save $6,150 AUD (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,263 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.59ct natural cushion diamond

This 1.59ct 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 2245083429. Listed at 16 retailers as of November 1, 2026, with prices from $7,113 to $13,263, a $6,150 spread on the same certified stone. MOH London lists it at $13,263. 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

1.59
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2245083429
Dimensions8.99 × 6.09 × 4.01 mm
L/W Ratio1.48
Culet sizeNone
Top View
8.99 mm6.09 mm1.59 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2245083429
Side View
Table 68.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 65.8%

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: $13,263 AUD|Low: $7,113 AUD|High: $13,572 AUD|Avg: $9,598 AUD|-1.1%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 14$7,113 AUD
Retailer 6$7,180 AUD
Retailer 15$7,591 AUD
Retailer 13$7,620 AUD
Retailer 7$8,053 AUD
Retailer 16$8,128 AUD
Retailer 3$8,253 AUD
Retailer 10$8,636 AUD
Retailer 2$8,661 AUD
Retailer 5$8,955 AUD
Retailer 4$9,206 AUD
Retailer 9$9,833 AUD
Retailer 8$9,926 AUD
Retailer 11$11,061 AUD
Retailer 12$13,177 AUD
MOH London$13,263 AUD

18 data points across 16 retailers

16 retailers$7,113 AUD to $13,263 AUD

B
Cheapest Retailer
-
$7,113 AUD
$4,985 USD
B+
Retailer 2
-
$7,180 AUD
$5,032 USD
View
B
Retailer 3
-
$7,591 AUD
$5,320 USD
View
B
Retailer 4
-
$7,620 AUD
$5,340 USD
View
B
Retailer 5
-
$8,053 AUD
$5,644 USD
View
B
Retailer 6
-
$8,128 AUD
CA$7,911 CAD
View
B
Retailer 7
-
$8,253 AUD
$5,784 USD
View
B
Retailer 8
-
$8,636 AUD
£4,766 GBP
View
B
Retailer 9
-
$8,661 AUD
£4,780 GBP
View
Retailer 10
-
$8,955 AUD
View
Price last confirmed 30 days ago
B
Retailer 11
-
$9,206 AUD
$6,452 USD
View
B
Retailer 12
-
$9,833 AUD
€6,563 EUR
View
Retailer 13
-
$9,926 AUD
$6,956 USD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$11,061 AUD
ZAR 125,227 ZAR
View
B
Retailer 15
-
$13,177 AUD
$9,235 USD
View
Most Expensive
C
MOH London
DA47A2632 · Nov 2
$13,263 AUD
£7,319 GBP
View
15 more retailers have this diamond
Prices start from $7,113 AUDSave up to $6,150 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+
1.59ct Cushion
$7,113 AUD