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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 1559373415

Certificate GIA 1559373415

Diamond specifications and retailer prices

From $3,546 CAD
As of November 6, 2026
Save $4,300 CAD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,846 CAD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559373415. Listed at 12 retailers as of November 4, 2026, with prices from $3,546 to $7,846, a $4,300 spread on the same certified stone. MOH London lists it at $7,846. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559373415
Dimensions7.65 × 5.90 × 4.11 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Indented Natural
Top View
7.65 mm5.90 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1559373415
Side View
Table 68.0%CrownGirdle: MED-ETKPavilionCulet: 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: $7,846 CAD|Low: $3,528 CAD|High: $8,010 CAD|Avg: $4,932 CAD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$3,546 CAD
Retailer 2$3,747 CAD
Retailer 7$4,185 CAD
Retailer 4$4,688 CAD
Retailer 3$4,733 CAD
Retailer 8$4,871 CAD
Retailer 11$4,906 CAD
Retailer 6$4,932 CAD
Retailer 9$5,022 CAD
Retailer 5$5,476 CAD
MOH London$7,846 CAD

28 data points across 11 retailers

12 retailers$3,546 CAD to $7,846 CAD

A
Cheapest Retailer
-
$3,546 CAD
A
Retailer 2
-
$3,747 CAD
View
A
Retailer 3
-
$4,185 CAD
View
B+
Retailer 4
-
$4,405 CAD
View
B+
Retailer 5
-
$4,688 CAD
View
Retailer 6
-
$4,733 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,871 CAD
View
B+
Retailer 8
-
$4,906 CAD
View
B+
Retailer 9
-
$4,932 CAD
View
B+
Retailer 10
-
$5,022 CAD
View
B+
Retailer 11
-
$5,476 CAD
View
Most Expensive
B
MOH London
9336CC951 · Nov 4
$7,846 CAD
£4,392 GBP
View
11 more retailers have this diamond
Prices start from $3,546 CADSave up to $4,300 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
$3,546 CAD