Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7556372547

Certificate GIA 7556372547

Diamond specifications and retailer prices

From $12,071 CAD
As of November 6, 2026
Save $3,237 CAD (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,308 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 7556372547. Listed at 8 retailers as of November 5, 2026, with prices from $12,071 to $15,308, a $3,237 spread on the same certified stone. Blue Nile lists it at $15,308. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556372547
Dimensions11.44 × 5.93 × 3.75 mm
L/W Ratio1.93
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Twinning Wisp, Needle
Top View
11.44 mm5.93 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7556372547
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 63.3%

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: $15,308 CAD|Low: $11,716 CAD|High: $15,811 CAD|Avg: $13,505 CAD|-3.2%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$12,071 CAD
Retailer 4$12,233 CAD
Retailer 3$13,011 CAD
Retailer 5$13,103 CAD
Retailer 6$13,662 CAD
Retailer 7$14,051 CAD
Blue Nile$15,308 CAD

45 data points across 7 retailers

8 retailers$12,071 CAD to $15,308 CAD

A
Cheapest Retailer
-
$12,071 CAD
A
Retailer 2
-
$12,233 CAD
View
A
Retailer 3
-
$13,011 CAD
View
B+
Retailer 4
-
$13,103 CAD
View
B+
Retailer 5
-
$13,662 CAD
View
Final sale: no returns
B+
Retailer 6
-
$14,051 CAD
View
B+
Retailer 7
-
$14,389 CAD
View
Most Expensive
B+
Blue Nile
29351770 · Nov 5
$15,308 CAD
$10,961 USD
View
7 more retailers have this diamond
Prices start from $12,071 CADSave up to $3,237 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
$12,071 CAD