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Marquise|Natural|IGI

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • IGI 809693540

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 809693540

Diamond specifications and retailer prices

From $7,427 CAD
As of November 4, 2026
Save $8,876 CAD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,302 CAD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 809693540. Listed at 13 retailers as of November 4, 2026, with prices from $7,427 to $16,302, a $8,876 spread on the same certified stone. NZ Jewellers lists it at $16,302. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 809693540
Dimensions11.26 × 6.07 × 3.71 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
11.26 mm6.07 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 809693540
Side View
Table 58.0%Crown 37.8°Girdle: Slightly ThickPavilion 39.4°CuletDepth 61.7%

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 4
Current: $16,302 CAD|Low: $7,427 CAD|High: $16,302 CAD|Avg: $10,227 CAD
NZ Jewellers
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 7, 2026
Retailer 5$7,427 CAD
Retailer 12$8,501 CAD
Retailer 2$8,537 CAD
Retailer 4$8,997 CAD
Retailer 13$9,030 CAD
Retailer 6$9,258 CAD
Retailer 7$9,897 CAD
Retailer 8$9,971 CAD
Retailer 9$10,196 CAD
Retailer 11$11,247 CAD
Retailer 10$11,893 CAD
Retailer 3$14,321 CAD
NZ Jewellers$16,302 CAD

4 data points across 13 retailers

13 retailers$7,427 CAD to $16,302 CAD

A
Cheapest Retailer
-
$7,427 CAD
B+
Retailer 2
-
$8,501 CAD
View
B+
Retailer 3
-
$8,537 CAD
View
B+
Retailer 4
-
$8,997 CAD
View
Final sale: no returns
B+
Retailer 5
-
$9,030 CAD
View
B+
Retailer 6
-
$9,258 CAD
View
B+
Retailer 7
-
$9,897 CAD
View
B+
Retailer 8
-
$9,971 CAD
View
B+
Retailer 9
-
$10,196 CAD
View
B+
Retailer 10
-
$11,247 CAD
View
B
Retailer 11
-
$11,893 CAD
View
B
Retailer 12
-
$14,321 CAD
View
Most Expensive
B
NZ Jewellers
705cbe29-8e73-4adb-85a8-574bf5963843 · Nov 7
$16,302 CAD
$11,590 USD
View
12 more retailers have this diamond
Prices start from $7,427 CADSave up to $8,876 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
$7,427 CAD