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Cushion|Natural|GIA

1.53ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2554110771

Certificate GIA 2554110771

Diamond specifications and retailer prices

From $4,061 AUD
As of November 2, 2026
Save $3,985 AUD (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,046 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.53ct natural cushion diamond

This 1.53ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 2554110771. Listed at 6 retailers as of November 2, 2026, with prices from $4,061 to $8,046, a $3,985 spread on the same certified stone. MOH London lists it at $8,046. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554110771
Dimensions7.31 × 5.82 × 4.01 mm
L/W Ratio1.26
Top View
7.31 mm5.82 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554110771
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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: Nov 2
Current: $8,046 AUD|Low: $3,923 AUD|High: $9,371 AUD|Avg: $5,711 AUD|-13.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$4,061 AUD
Retailer 6$4,442 AUD
Retailer 2$4,566 AUD
Retailer 4$4,650 AUD
Retailer 3$5,632 AUD
MOH London$8,046 AUD

42 data points across 6 retailers

6 retailers$4,061 AUD to $8,046 AUD

A
Cheapest Retailer
-
$4,061 AUD
A
Retailer 2
-
$4,442 AUD
$3,113 USD
View
Final sale: no returns
A
Retailer 3
-
$4,566 AUD
£2,519 GBP
View
A
Retailer 4
-
$4,650 AUD
$3,259 USD
View
A
Retailer 5
-
$5,632 AUD
€3,759 EUR
View
Most Expensive
B+
MOH London
F0262837E · Nov 2
$8,046 AUD
£4,440 GBP
View
5 more retailers have this diamond
Prices start from $4,061 AUDSave up to $3,985 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
$4,061 AUD