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Cushion|Natural|GIA

0.53ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 7541154133

Certificate GIA 7541154133

Diamond specifications and retailer prices

From $537 AUD
As of November 6, 2026
Save $205 AUD (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $742 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.53ct natural cushion diamond

This 0.53ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541154133. Listed at 4 retailers as of November 5, 2026, with prices from $537 to $742, a $205 spread on the same certified stone. Blue Nile lists it at $742. 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

0.53
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7541154133
Dimensions4.66 × 4.46 × 2.97 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.66 mm4.46 mm0.53 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7541154133
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $742 AUD|Low: $537 AUD|High: $824 AUD|Avg: $661 AUD|-9.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$537 AUD
Retailer 3$607 AUD
Retailer 2$690 AUD
Blue Nile$742 AUD

41 data points across 4 retailers

4 retailers$537 AUD to $742 AUD

A
Cheapest Retailer
-
$537 AUD
A
Retailer 2
-
$607 AUD
View
A
Retailer 3
-
$690 AUD
View
Most Expensive
A
Blue Nile
27478883 · Nov 5
$742 AUD
$510 USD
View
3 more retailers have this diamond
Prices start from $537 AUDSave up to $205 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
0.53ct Cushion
$537 AUD