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Marquise|Natural|GIA

1.50ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6552621628

Certificate GIA 6552621628

Diamond specifications and retailer prices

From $14,256 CAD
As of November 1, 2026
Save $12,088 CAD (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $26,344 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 6552621628. Listed at 22 retailers as of November 1, 2026, with prices from $14,256 to $26,344, a $12,088 spread on the same certified stone. NZ Jewellers lists it at $26,344. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552621628
Dimensions11.12 × 6.01 × 3.69 mm
L/W Ratio1.85
Key to symbols
Feather, Crystal, Needle, Natural
Top View
11.12 mm6.01 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552621628
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.3%

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 1
Current: $17,590 CAD|Low: $14,256 CAD|High: $24,984 CAD|Avg: $17,821 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$14,256 CAD
Retailer 10$14,667 CAD
Retailer 11$15,592 CAD
Retailer 2$15,938 CAD
Retailer 5$16,926 CAD
Retailer 8$17,187 CAD
Retailer 3$17,387 CAD
Retailer 1$17,590 CAD
Retailer 4$18,951 CAD
Retailer 6$23,061 CAD
Retailer 7$24,620 CAD

37 data points across 11 retailers

22 retailers$14,256 CAD to $26,344 CAD

B+
Cheapest Retailer
-
$14,256 CAD
B+
Retailer 2
-
$14,667 CAD
View
B+
Retailer 3
-
$14,734 CAD
View
B+
Retailer 4
-
$15,592 CAD
View
Retailer 5
-
$15,807 CAD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$15,938 CAD
View
B+
Retailer 7
-
$16,926 CAD
View
B+
Retailer 8
-
$17,124 CAD
View
Retailer 9
-
$17,187 CAD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$17,387 CAD
View
B
Retailer 11
-
$17,502 CAD
View
B+
Retailer 12
-
$17,590 CAD
View
B
Retailer 13
-
$18,412 CAD
View
B
Retailer 14
-
$18,412 CAD
View
B
Retailer 15
-
$18,788 CAD
View
B
Retailer 16
-
$18,951 CAD
View
B
Retailer 17
-
$19,031 CAD
View
B
Retailer 18
-
$19,759 CAD
View
Retailer 19
-
$20,792 CAD
View
Price last confirmed 15 days ago
B
Retailer 20
-
$23,061 CAD
View
B
Retailer 21
-
$24,620 CAD
View
Most Expensive
B
NZ Jewellers
67900167-de5d-4b53-ac4f-ac2b59c55360 · Nov 5
$26,344 CAD
$18,729 USD
View
21 more retailers have this diamond
Prices start from $14,256 CADSave up to $12,088 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
$14,256 CAD