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Marquise|Natural|GIA

1.50ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 1457090445

Certificate GIA 1457090445

Diamond specifications and retailer prices

From $15,070 CAD
As of November 6, 2026
Save $12,564 CAD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $27,634 CAD at NZ Jewellers · As of November 5, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1457090445. Listed at 12 retailers as of November 5, 2026, with prices from $15,070 to $27,634, a $12,564 spread on the same certified stone. NZ Jewellers lists it at $27,634. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1457090445
Dimensions11.68 × 6.07 × 3.50 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Cert comments
Clouds are not shown. Pinpoints are not shown.
Top View
11.68 mm6.07 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1457090445
Side View
Table 59.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 57.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $18,450 CAD|Low: $15,070 CAD|High: $26,205 CAD|Avg: $19,218 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$15,070 CAD
Retailer 5$16,543 CAD
Retailer 2$17,940 CAD
Retailer 6$18,238 CAD
Retailer 1$18,450 CAD
Retailer 4$20,805 CAD
Retailer 3$25,825 CAD

43 data points across 7 retailers

12 retailers$15,070 CAD to $27,634 CAD

B+
Cheapest Retailer
-
$15,070 CAD
B
Retailer 2
-
$15,534 CAD
View
B+
Retailer 3
-
$16,364 CAD
View
B+
Retailer 4
-
$16,543 CAD
View
Final sale: no returns
B+
Retailer 5
-
$17,940 CAD
View
B
Retailer 6
-
$17,962 CAD
View
B
Retailer 7
-
$18,238 CAD
View
B
Retailer 8
-
$18,450 CAD
View
B
Retailer 9
-
$20,725 CAD
View
B
Retailer 10
-
$20,805 CAD
View
B
Retailer 11
-
$25,825 CAD
View
Most Expensive
B
NZ Jewellers
509fd407-2f62-48bc-9d7b-a8d631103646 · Nov 5
$27,634 CAD
$19,646 USD
View
11 more retailers have this diamond
Prices start from $15,070 CADSave up to $12,564 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.

B+
1.50ct Marquise
$15,070 CAD