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Cushion|Natural|GIA

1.53ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 3555199650

Certificate GIA 3555199650

Diamond specifications and retailer prices

From $13,950 AUD
$9,799 USD
As of October 28, 2026
Save $9,655 AUD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $23,605 AUD at MOH London · As of October 29, 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 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 3555199650. Listed at 12 retailers as of October 28, 2026, with prices from $13,950 to $23,605, a $9,655 spread on the same certified stone. MOH London lists it at $23,605. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3555199650
Dimensions7.66 × 5.89 × 4.22 mm
L/W Ratio1.30
Top View
7.66 mm5.89 mm1.53 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3555199650
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 71.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $23,605 AUD|Low: $12,529 AUD|High: $23,762 AUD|Avg: $17,323 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$13,950 AUD
Retailer 10$14,848 AUD
Retailer 6$15,035 AUD
Retailer 7$15,035 AUD
Retailer 2$16,246 AUD
Retailer 5$16,333 AUD
Retailer 3$18,913 AUD
Retailer 9$19,779 AUD
Retailer 4$21,969 AUD
MOH London$23,605 AUD

45 data points across 10 retailers

12 retailers$13,950 AUD to $23,605 AUD

B+
Cheapest Retailer
-
$13,950 AUD
$9,799 USD
B
Retailer 2
-
$14,848 AUD
$10,430 USD
View
B
Retailer 3
-
$15,035 AUD
$10,561 USD
View
Final sale: no returns
B
Retailer 4
-
$15,035 AUD
$10,561 USD
View
B
Retailer 5
-
$15,297 AUD
$10,745 USD
View
B
Retailer 6
-
$16,246 AUD
£8,986 GBP
View
B
Retailer 7
-
$16,333 AUD
View
B
Retailer 8
-
$18,315 AUD
$12,865 USD
View
B
Retailer 9
-
$18,913 AUD
€12,653 EUR
View
Retailer 10
-
$19,779 AUD
$13,894 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$21,969 AUD
ZAR 249,310 ZAR
View
Most Expensive
B
MOH London
F33F3FCD0 · Oct 29
$23,605 AUD
£13,056 GBP
View
11 more retailers have this diamond
Prices start from $13,950 AUDSave up to $9,655 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.

B+
1.53ct Cushion
$13,950 AUD