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Cushion|Natural|GIA

1.53ct J SI1 Cushion Natural Diamond

EX • J/SI1

Diamond specifications and retailer prices

From $3,903 AUD
$2,735 USD
As of October 28, 2026
Save $1,260 AUD (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,163 AUD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 1.53ct natural cushion diamond

This 1.53ct 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. Listed at 5 retailers as of October 28, 2026, with prices from $3,903 to $5,163, a $1,260 spread on the same certified stone. The Diamond Guys lists it at $5,163. 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

1.53
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions7.06 × 6.62 × 4.04 mm
L/W Ratio1.07
Top View
7.06 mm6.62 mm1.53 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.1%

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: Oct 28
Current: $3,903 AUD|Low: $3,903 AUD|High: $5,163 AUD|Avg: $4,759 AUD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
October 19, 2026
Retailer 1$3,903 AUD
Retailer 3$4,346 AUD
Retailer 5$4,629 AUD
Retailer 2$4,975 AUD
Retailer 4$5,025 AUD
The Diamond Guys$5,163 AUD

14 data points across 6 retailers

5 retailers$3,903 AUD to $5,163 AUD

A
Cheapest Retailer
-
$3,903 AUD
$2,735 USD
B+
Retailer 2
-
$4,346 AUD
$3,046 USD
View
B+
Retailer 3
-
$4,629 AUD
$3,244 USD
View
B+
Retailer 4
-
$5,025 AUD
CA$4,892 CAD
View
Most Expensive
B+
The Diamond Guys
1979273846 · Nov 2
$5,163 AUD
$3,618 USD
View
4 more retailers have this diamond
Prices start from $3,903 AUDSave up to $1,260 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.

A
1.53ct Cushion
$3,903 AUD