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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555333072

Certificate GIA 6555333072

Diamond specifications and retailer prices

From $14,047 CAD
As of November 5, 2026
Save $9,820 CAD (41%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $23,867 CAD at MOH London · As of November 4, 2026
View at MOH London

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 6555333072. Listed at 21 retailers as of November 4, 2026, with prices from $14,047 to $23,867, a $9,820 spread on the same certified stone. MOH London lists it at $23,867. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555333072
Dimensions11.51 × 6.05 × 3.55 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
11.51 mm6.05 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555333072
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.6%

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 5
Current: $23,867 CAD|Low: $12,388 CAD|High: $23,867 CAD|Avg: $16,187 CAD|+10.9%
MOH London
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$12,462 CAD
Retailer 4$14,047 CAD
Retailer 6$14,392 CAD
Retailer 7$14,780 CAD
Retailer 8$14,949 CAD
Retailer 10$15,026 CAD
Retailer 3$16,576 CAD
Retailer 5$16,654 CAD
Retailer 2$18,365 CAD
Retailer 11$19,816 CAD
MOH London$23,867 CAD

38 data points across 11 retailers

21 retailers$14,047 CAD to $23,867 CAD

Retailer 1
-
$12,462 CAD
Price last confirmed 7 days ago
Retailer 2
-
$13,814 CAD
View
Price last confirmed 7 days ago
Retailer 3
-
$13,983 CAD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$14,047 CAD
View
B+
Retailer 5
-
$14,273 CAD
View
B+
Retailer 6
-
$14,392 CAD
View
B+
Retailer 7
-
$14,780 CAD
View
Final sale: no returns
B+
Retailer 8
-
$14,949 CAD
View
Retailer 9
-
$15,026 CAD
View
Price last confirmed 14 days ago
Retailer 10
-
$15,069 CAD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$16,279 CAD
View
Retailer 12
-
$16,326 CAD
View
Price last confirmed 8 days ago
Retailer 13
-
$16,576 CAD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$16,654 CAD
View
Retailer 15
-
$16,712 CAD
View
Price last confirmed 7 days ago
B
Retailer 16
-
$18,365 CAD
View
Retailer 17
-
$18,832 CAD
View
Price last confirmed 61 days ago
B+
Retailer 18
-
$18,837 CAD
View
Retailer 19
-
$19,816 CAD
View
Price last confirmed 20 days ago
Retailer 20
-
$22,755 CAD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
2904DD41F · Nov 4
$23,867 CAD
£13,456 GBP
View
20 more retailers have this diamond
Prices start from $14,047 CADSave up to $9,820 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
$14,047 CAD