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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

GD • K/SI2 • GIA 6552178766

Certificate GIA 6552178766

Diamond specifications and retailer prices

From $2,535 CAD
As of November 6, 2026
Save $3,309 CAD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,843 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6552178766. Listed at 11 retailers as of November 4, 2026, with prices from $2,535 to $5,843, a $3,309 spread on the same certified stone. MOH London lists it at $5,843. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Color
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552178766
Dimensions7.60 × 5.97 × 4.16 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Needle
Top View
7.60 mm5.97 mm1.50 ctK / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552178766
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: 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: $5,843 CAD|Low: $2,535 CAD|High: $5,891 CAD|Avg: $3,777 CAD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$2,535 CAD
Retailer 3$3,332 CAD
Retailer 5$3,538 CAD
Retailer 4$4,152 CAD
MOH London$5,843 CAD

29 data points across 5 retailers

11 retailers$2,535 CAD to $5,843 CAD

A
Cheapest Retailer
-
$2,535 CAD
B+
Retailer 2
-
$3,020 CAD
View
B+
Retailer 3
-
$3,297 CAD
View
B+
Retailer 4
-
$3,332 CAD
View
Retailer 5
-
$3,345 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,538 CAD
View
B+
Retailer 7
-
$3,605 CAD
View
B+
Retailer 8
-
$3,630 CAD
View
Retailer 9
-
$3,896 CAD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$4,152 CAD
View
Most Expensive
B
MOH London
537817708 · Nov 4
$5,843 CAD
£3,271 GBP
View
10 more retailers have this diamond
Prices start from $2,535 CADSave up to $3,309 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
$2,535 CAD