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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555718804

Certificate GIA 6555718804

Diamond specifications and retailer prices

From $12,772 CAD
As of November 1, 2026
Save $11,719 CAD (48%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $24,491 CAD at NZ Jewellers · As of November 3, 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 D 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 6555718804. Listed at 31 retailers as of November 1, 2026, with prices from $12,772 to $24,491, a $11,719 spread on the same certified stone. NZ Jewellers lists it at $24,491. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555718804
Dimensions10.91 × 5.92 × 3.77 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
10.91 mm5.92 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555718804
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.8%

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 1
Current: $24,491 CAD|Low: $11,709 CAD|High: $24,491 CAD|Avg: $16,343 CAD
NZ Jewellers
Retailer 2
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Retailer 29
November 5, 2026
Retailer 28$12,772 CAD
Retailer 23$13,065 CAD
Retailer 16$13,128 CAD
Retailer 12$13,617 CAD
Retailer 4$13,635 CAD
Retailer 17$14,015 CAD
Retailer 27$14,050 CAD
Retailer 10$14,449 CAD
Retailer 15$14,518 CAD
Retailer 11$14,695 CAD
Retailer 29$14,695 CAD
Retailer 18$15,659 CAD
Retailer 19$15,675 CAD
Retailer 2$15,723 CAD
Retailer 3$15,920 CAD
Retailer 26$15,963 CAD
Retailer 14$16,164 CAD
Retailer 9$16,252 CAD
Retailer 5$16,392 CAD
Retailer 20$16,519 CAD
Retailer 22$16,639 CAD
Retailer 21$17,466 CAD
Retailer 7$17,506 CAD
Retailer 8$17,902 CAD
Retailer 6$18,368 CAD
Retailer 24$18,509 CAD
Retailer 25$21,587 CAD
Retailer 13$22,887 CAD
NZ Jewellers$24,491 CAD

38 data points across 29 retailers

31 retailers$12,772 CAD to $24,491 CAD

Retailer 1
-
$10,564 CAD
Price last confirmed 42 days ago
A
Retailer 2
-
$12,772 CAD
View
A
Retailer 3
-
$13,065 CAD
View
A
Retailer 4
-
$13,128 CAD
View
B+
Retailer 5
-
$13,617 CAD
View
B+
Retailer 6
-
$13,635 CAD
View
B+
Retailer 7
-
$13,794 CAD
View
B+
Retailer 8
-
$14,015 CAD
View
B+
Retailer 9
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$14,050 CAD
View
B+
Retailer 10
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$14,449 CAD
View
B+
Retailer 11
-
$14,518 CAD
View
Retailer 12
-
$14,695 CAD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$14,695 CAD
View
Final sale: no returns
B+
Retailer 14
-
$15,659 CAD
View
B+
Retailer 15
-
$15,675 CAD
View
B+
Retailer 16
-
$15,723 CAD
View
B+
Retailer 17
-
$15,920 CAD
View
Retailer 18
-
$15,963 CAD
View
Price last confirmed 14 days ago
B+
Retailer 19
-
$16,164 CAD
View
B+
Retailer 20
-
$16,252 CAD
View
B+
Retailer 21
-
$16,392 CAD
View
Retailer 22
-
$16,455 CAD
View
Price last confirmed 66 days ago
Retailer 23
-
$16,519 CAD
View
Price last confirmed 23 days ago
B
Retailer 24
-
$17,466 CAD
View
B
Retailer 25
-
$17,506 CAD
View
B
Retailer 26
-
$17,902 CAD
View
B+
Retailer 27
-
$18,368 CAD
View
B+
Retailer 28
-
$18,509 CAD
View
B
Retailer 29
-
$21,587 CAD
View
B
Retailer 30
-
$22,887 CAD
View
Most Expensive
B
NZ Jewellers
9010dca9-b235-4b2b-8fda-183916b6f45c · Nov 3
$24,491 CAD
$17,536 USD
View
30 more retailers have this diamond
Prices start from $12,772 CADSave up to $11,719 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
$12,772 CAD