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Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2235932276

Certificate GIA 2235932276

Diamond specifications and retailer prices

From $3,691 CAD
As of November 6, 2026
Save $4,676 CAD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,367 CAD 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 $3,691 to $8,367, a $4,676 spread on the same certified stone. MOH London lists it at $8,367. 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
Color
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: $8,367 CAD|Low: $3,691 CAD|High: $9,078 CAD|Avg: $5,400 CAD|-7.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$3,691 CAD
Retailer 5$4,383 CAD
Retailer 7$4,525 CAD
Retailer 2$4,636 CAD
Retailer 4$5,045 CAD
Retailer 8$5,387 CAD
Retailer 3$5,930 CAD
MOH London$8,367 CAD

35 data points across 8 retailers

9 retailers$3,691 CAD to $8,367 CAD

A
Cheapest Retailer
-
$3,691 CAD
A
Retailer 2
-
$4,383 CAD
View
A
Retailer 3
-
$4,525 CAD
View
A
Retailer 4
-
$4,636 CAD
View
A
Retailer 5
-
$5,045 CAD
View
A
Retailer 6
-
$5,387 CAD
View
A
Retailer 7
-
$5,647 CAD
View
A
Retailer 8
-
$5,930 CAD
View
Most Expensive
B+
MOH London
E4736EAF5 · Nov 2
$8,367 CAD
£4,684 GBP
View
8 more retailers have this diamond
Prices start from $3,691 CADSave up to $4,676 CAD

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
$3,691 CAD