CaratHunter
Plans
Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2235932276

Certificate GIA 2235932276

Diamond specifications and retailer prices

From $3,819 AUD
As of November 6, 2026
Save $4,839 AUD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,658 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct 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 2235932276. Listed at 9 retailers as of November 2, 2026, with prices from $3,819 to $8,658, a $4,839 spread on the same certified stone. MOH London lists it at $8,658. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle34.78°
OriginNatural
Grading LabGIA
CertificateGIA 2235932276
Dimensions7.42 × 5.79 × 4.04 mm
L/W Ratio1.28
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
7.42 mm5.79 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235932276
Side View
Table 63.0%CrownGirdle: STK-ETKPavilion 34.78°Culet: NoneDepth 69.7%

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 6
Current: $8,658 AUD|Low: $3,819 AUD|High: $9,393 AUD|Avg: $5,588 AUD|-7.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$3,819 AUD
Retailer 5$4,535 AUD
Retailer 7$4,682 AUD
Retailer 2$4,797 AUD
Retailer 4$5,221 AUD
Retailer 8$5,574 AUD
Retailer 3$6,136 AUD
MOH London$8,658 AUD

35 data points across 8 retailers

9 retailers$3,819 AUD to $8,658 AUD

A
Cheapest Retailer
-
$3,819 AUD
A
Retailer 2
-
$4,535 AUD
View
Price last confirmed 3 days ago
A
Retailer 3
-
$4,682 AUD
View
A
Retailer 4
-
$4,797 AUD
View
A
Retailer 5
-
$5,221 AUD
View
A
Retailer 6
-
$5,574 AUD
View
A
Retailer 7
-
$5,843 AUD
View
A
Retailer 8
-
$6,136 AUD
View
Most Expensive
B+
MOH London
E4736EAF5 · Nov 2
$8,658 AUD
£4,684 GBP
View
8 more retailers have this diamond
Prices start from $3,819 AUDSave up to $4,839 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
1.50ct Cushion
$3,819 AUD