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Marquise|Natural|GIA

1.50ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 6565065857

Certificate GIA 6565065857

Diamond specifications and retailer prices

From $6,192 CAD
As of November 6, 2026
Save $7,607 CAD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,799 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 K 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 6565065857. Listed at 13 retailers as of November 5, 2026, with prices from $6,192 to $13,799, a $7,607 spread on the same certified stone. NZ Jewellers lists it at $13,799. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565065857
Dimensions11.59 × 5.94 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
11.59 mm5.94 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565065857
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 63.0%

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: $6,192 CAD|Low: $6,192 CAD|High: $12,284 CAD|Avg: $8,629 CAD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$6,192 CAD
Retailer 3$7,968 CAD
Retailer 6$8,112 CAD
Retailer 7$8,251 CAD
Retailer 2$8,769 CAD
Retailer 4$10,066 CAD
Retailer 5$12,122 CAD

39 data points across 7 retailers

13 retailers$6,192 CAD to $13,799 CAD

A
Cheapest Retailer
-
$6,192 CAD
B+
Retailer 2
-
$7,195 CAD
View
B+
Retailer 3
-
$7,701 CAD
View
B+
Retailer 4
-
$7,968 CAD
View
B+
Retailer 5
-
$8,112 CAD
View
B+
Retailer 6
-
$8,251 CAD
View
B+
Retailer 7
-
$8,251 CAD
View
Retailer 8
-
$8,251 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$8,769 CAD
View
B
Retailer 10
-
$9,520 CAD
View
B
Retailer 11
-
$10,066 CAD
View
B
Retailer 12
-
$12,122 CAD
View
Most Expensive
C
NZ Jewellers
458019e7-53cd-4f55-8ba8-b7a5cfd52f88 · Nov 5
$13,799 CAD
$9,810 USD
View
12 more retailers have this diamond
Prices start from $6,192 CADSave up to $7,607 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
$6,192 CAD