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Cushion|Natural|GIA

1.50ct D SI2 Cushion Natural Diamond

GD • D/SI2 • GIA 6551664558

Certificate GIA 6551664558

Diamond specifications and retailer prices

From $5,653 CAD
As of November 6, 2026
Save $6,342 CAD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,844 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551664558. Listed at 15 retailers as of November 4, 2026, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551664558
Dimensions7.73 × 5.95 × 4.07 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural
Top View
7.73 mm5.95 mm1.50 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551664558
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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: $12,844 CAD|Low: $5,617 CAD|High: $12,933 CAD|Avg: $8,059 CAD|+2.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11$5,653 CAD
Retailer 2$6,008 CAD
Retailer 8$6,705 CAD
Retailer 4$6,971 CAD
Retailer 6$7,077 CAD
Retailer 13$7,200 CAD
Retailer 9$7,300 CAD
Retailer 12$7,552 CAD
Retailer 5$7,767 CAD
Retailer 3$7,947 CAD
Retailer 7$8,497 CAD
Retailer 10$11,995 CAD
Queensmith$12,844 CAD

25 data points across 13 retailers

15 retailers$5,653 CAD to $11,995 CAD

A
Cheapest Retailer
-
$5,653 CAD
A
Retailer 2
-
$6,008 CAD
View
A
Retailer 3
-
$6,705 CAD
View
B+
Retailer 4
-
$6,935 CAD
View
B+
Retailer 5
-
$6,971 CAD
View
Final sale: no returns
A
Retailer 6
-
$7,077 CAD
View
Retailer 7
-
$7,200 CAD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$7,300 CAD
View
Retailer 9
-
$7,552 CAD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$7,767 CAD
View
B+
Retailer 11
-
$7,947 CAD
View
B+
Retailer 12
-
$8,144 CAD
View
B+
Retailer 13
-
$8,497 CAD
View
B
Retailer 14
-
$11,995 CAD
View
Most Expensive
Queensmith
6551664558 · Oct 28
$12,844 CAD
£7,190 GBP
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $5,653 CADSave up to $6,342 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
$5,653 CAD