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Marquise|Natural|GIA

1.50ct M SI1 Marquise Natural Diamond

EX • M/SI1 • GIA 3555373615

Certificate GIA 3555373615

Diamond specifications and retailer prices

From $3,968 CAD
As of November 6, 2026
Save $3,965 CAD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,933 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555373615. Listed at 9 retailers as of November 4, 2026, with prices from $3,968 to $7,933, a $3,965 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,933. 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
M
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3555373615
Dimensions10.96 × 5.92 × 3.88 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.96 mm5.92 mm1.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555373615
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.5%

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: $6,022 CAD|Low: $3,933 CAD|High: $9,618 CAD|Avg: $5,760 CAD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$3,968 CAD
Retailer 10$4,398 CAD
Retailer 8$4,417 CAD
Retailer 4$4,564 CAD
Retailer 5$4,755 CAD
Retailer 7$4,799 CAD
Retailer 9$5,363 CAD
Retailer 1$6,022 CAD
Retailer 3$6,662 CAD
Wholesale Diamonds Direct$7,933 CAD
Retailer 2$9,618 CAD

21 data points across 11 retailers

9 retailers$3,968 CAD to $7,933 CAD

A
Cheapest Retailer
-
$3,968 CAD
B+
Retailer 2
-
$4,417 CAD
View
B+
Retailer 3
-
$4,564 CAD
View
Final sale: no returns
B+
Retailer 4
-
$4,755 CAD
View
B+
Retailer 5
-
$4,799 CAD
View
B
Retailer 6
-
$5,363 CAD
View
B
Retailer 7
-
$6,022 CAD
View
B
Retailer 8
-
$6,662 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
625971138 · Nov 4
$7,933 CAD
$5,680 USD
View
8 more retailers have this diamond
Prices start from $3,968 CADSave up to $3,965 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 Marquise
$3,968 CAD