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Cushion|Natural|GIA

1.53ct I SI1 Cushion Natural Diamond

VG • I/SI1 • GIA 3425242560

Certificate GIA 3425242560

Diamond specifications and retailer prices

From $5,006 AUD
$3,509 USD
As of October 31, 2026
Save $5,359 AUD (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,366 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 3425242560. Listed at 21 retailers as of October 31, 2026, with prices from $5,006 to $10,366, a $5,359 spread on the same certified stone. MOH London lists it at $10,366. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.53
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3425242560
Dimensions6.74 × 6.25 × 4.27 mm
L/W Ratio1.08
Top View
6.74 mm6.25 mm1.53 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3425242560
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.3%

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 31
Current: $10,366 AUD|Low: $5,006 AUD|High: $10,491 AUD|Avg: $6,745 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$5,006 AUD
Retailer 7$5,080 AUD
Retailer 9$5,442 AUD
Retailer 8$5,896 AUD
Retailer 2$6,175 AUD
Retailer 10$6,561 AUD
Retailer 4$6,658 AUD
Retailer 3$7,364 AUD
Retailer 5$8,000 AUD
MOH London$10,366 AUD

36 data points across 10 retailers

21 retailers$5,006 AUD to $10,366 AUD

A
Cheapest Retailer
-
$5,006 AUD
$3,509 USD
Retailer 2
-
$5,080 AUD
$3,560 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$5,188 AUD
$3,636 USD
View
A
Retailer 4
-
$5,319 AUD
$3,728 USD
View
A
Retailer 5
-
$5,442 AUD
$3,814 USD
View
Final sale: no returns
A
Retailer 6
-
$5,608 AUD
$3,930 USD
View
A
Retailer 7
-
$5,777 AUD
$4,049 USD
View
B+
Retailer 8
-
$5,874 AUD
$4,117 USD
View
B+
Retailer 9
-
$5,896 AUD
$4,132 USD
View
B+
Retailer 10
-
$6,137 AUD
View
A
Retailer 11
-
$6,175 AUD
£3,408 GBP
View
B+
Retailer 12
-
$6,260 AUD
$4,387 USD
View
Retailer 13
-
$6,561 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$6,649 AUD
$4,660 USD
View
B+
Retailer 15
-
$6,649 AUD
$4,660 USD
View
B+
Retailer 16
-
$6,658 AUD
£3,674 GBP
View
B+
Retailer 17
-
$6,863 AUD
$4,810 USD
View
Retailer 18
-
$7,360 AUD
$5,158 USD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
$7,364 AUD
€4,915 EUR
View
B+
Retailer 20
-
$8,000 AUD
ZAR 90,570 ZAR
View
Most Expensive
B
MOH London
31D225EE5 · Nov 2
$10,366 AUD
£5,720 GBP
View
20 more retailers have this diamond
Prices start from $5,006 AUDSave up to $5,359 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
$5,006 AUD