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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

ID • K/SI2 • GIA 2558676335

Certificate GIA 2558676335

Diamond specifications and retailer prices

From $3,528 CAD
As of November 6, 2026
Save $4,270 CAD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,798 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 2558676335. Listed at 12 retailers as of November 4, 2026, with prices from $3,528 to $7,798, a $4,270 spread on the same certified stone. MOH London lists it at $7,798. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558676335
Dimensions7.60 × 5.83 × 4.00 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural
Top View
7.60 mm5.83 mm1.50 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558676335
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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: $7,798 CAD|Low: $3,511 CAD|High: $7,989 CAD|Avg: $4,937 CAD|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,528 CAD
Retailer 2$3,725 CAD
Retailer 5$4,159 CAD
Retailer 10$4,705 CAD
Retailer 6$4,837 CAD
Retailer 9$4,877 CAD
Retailer 4$4,901 CAD
Retailer 7$4,993 CAD
Retailer 3$5,441 CAD
MOH London$7,798 CAD

32 data points across 10 retailers

12 retailers$3,528 CAD to $7,798 CAD

A
Cheapest Retailer
-
$3,528 CAD
A
Retailer 2
-
$3,725 CAD
View
A
Retailer 3
-
$4,159 CAD
View
B+
Retailer 4
-
$4,379 CAD
View
Retailer 5
-
$4,705 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,837 CAD
View
B+
Retailer 7
-
$4,853 CAD
View
B+
Retailer 8
-
$4,877 CAD
View
B+
Retailer 9
-
$4,901 CAD
View
B+
Retailer 10
-
$4,993 CAD
View
B+
Retailer 11
-
$5,441 CAD
View
Most Expensive
B
MOH London
B313B6A2B · Nov 4
$7,798 CAD
£4,365 GBP
View
11 more retailers have this diamond
Prices start from $3,528 CADSave up to $4,270 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
$3,528 CAD