Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1553693221

Certificate GIA 1553693221

Diamond specifications and retailer prices

From $9,057 CAD
$6,484 USD
As of October 28, 2026
Save $3,417 CAD (27%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,474 CAD at Jared · As of October 28, 2026
View at Jared

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 stated by the retailer rather than the lab and certified by GIA 1553693221. Listed at 11 retailers as of October 28, 2026, with prices from $9,057 to $12,474, a $3,417 spread on the same certified stone. Jared lists it at $12,474. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.42°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553693221
Dimensions11.45 × 5.98 × 3.69 mm
L/W Ratio1.91
Culet sizeNone
Top View
11.45 mm5.98 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1553693221
Side View
Table 57.0%Crown 38.42°Girdle: THN-THKPavilion 38.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $12,474 CAD|Low: $8,057 CAD|High: $15,520 CAD|Avg: $10,909 CAD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 3$8,137 CAD
Retailer 7$9,057 CAD
Retailer 10$9,115 CAD
Retailer 13$9,636 CAD
Retailer 5$9,660 CAD
Retailer 14$10,155 CAD
Retailer 11$10,958 CAD
Retailer 4$11,385 CAD
Retailer 8$12,069 CAD
Retailer 9$12,069 CAD
Retailer 12$12,227 CAD
Retailer 2$12,418 CAD
Jared$12,474 CAD
Retailer 6$15,520 CAD

27 data points across 14 retailers

11 retailers$9,057 CAD to $12,474 CAD

A
Cheapest Retailer
-
$9,057 CAD
$6,484 USD
A
Retailer 2
-
$9,115 CAD
$6,525 USD
View
B+
Retailer 3
-
$9,636 CAD
SGD 9,322 SGD
View
Retailer 4
-
$9,660 CAD
$6,915 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$10,958 CAD
$7,844 USD
View
B+
Retailer 6
-
$11,059 CAD
$7,917 USD
View
B
Retailer 7
-
$12,069 CAD
$8,640 USD
View
B
Retailer 8
-
$12,069 CAD
$8,640 USD
View
Retailer 9
-
$12,227 CAD
$8,753 USD
View
Price last confirmed 20 days ago
B
Retailer 10
-
$12,418 CAD
$8,890 USD
View
Most Expensive
B
Jared
160131634 · Oct 28
$12,474 CAD
$8,930 USD
View
10 more retailers have this diamond
Prices start from $9,057 CADSave up to $3,417 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
$9,057 CAD