CaratHunter
Plans
Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2557536295

Certificate GIA 2557536295

Diamond specifications and retailer prices

From $4,556 AUD
As of November 2, 2026
Save $4,556 AUD (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,112 AUD at MOH London · As of October 29, 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 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 2557536295. Listed at 6 retailers as of October 29, 2026, with prices from $4,556 to $9,112, a $4,556 spread on the same certified stone. MOH London lists it at $9,112. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557536295
Dimensions7.58 × 5.76 × 3.97 mm
L/W Ratio1.32
Key to symbols
Twinning Wisp, Feather, Needle
Top View
7.58 mm5.76 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557536295
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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: $9,112 AUD|Low: $4,376 AUD|High: $10,241 AUD|Avg: $6,403 AUD|-11.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$5,003 AUD
Retailer 4$5,137 AUD
Retailer 2$5,142 AUD
Retailer 3$6,344 AUD
MOH London$9,112 AUD

41 data points across 5 retailers

6 retailers$4,556 AUD to $9,112 AUD

A
Cheapest Retailer
-
$4,556 AUD
A
Retailer 2
-
$5,003 AUD
$3,506 USD
View
Final sale: no returns
A
Retailer 3
-
$5,137 AUD
$3,600 USD
View
A
Retailer 4
-
$5,142 AUD
£2,838 GBP
View
A
Retailer 5
-
$6,344 AUD
€4,234 EUR
View
Most Expensive
B
MOH London
0D2FFEE6F · Oct 29
$9,112 AUD
£5,028 GBP
View
5 more retailers have this diamond
Prices start from $4,556 AUDSave up to $4,556 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
1.54ct Cushion
$4,556 AUD