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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 5546565138

Certificate GIA 5546565138

Diamond specifications and retailer prices

From $13,845 CAD
$9,892 USD
As of October 29, 2026
Save $9,803 CAD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $23,648 CAD at MOH London · As of October 29, 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 E 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 5546565138. Listed at 12 retailers as of October 29, 2026, with prices from $13,845 to $23,648, a $9,803 spread on the same certified stone. MOH London lists it at $23,648. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle39.97°
Pavilion angle37.22°
OriginNatural
Grading LabGIA
CertificateGIA 5546565138
Dimensions10.72 × 5.81 × 3.80 mm
L/W Ratio1.85
Top View
10.72 mm5.81 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5546565138
Side View
Table 55.0%Crown 39.97°Girdle: ThickPavilion 37.22°Culet: NoneDepth 65.4%

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: Oct 29
Current: $23,648 CAD|Low: $13,845 CAD|High: $23,648 CAD|Avg: $17,697 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 12$13,845 CAD
Retailer 10$13,974 CAD
Retailer 11$14,871 CAD
Retailer 5$15,187 CAD
Retailer 14$15,289 CAD
Retailer 2$16,278 CAD
Retailer 15$16,710 CAD
Retailer 13$18,541 CAD
Retailer 3$18,638 CAD
Retailer 7$18,811 CAD
Retailer 8$18,946 CAD
Retailer 6$19,548 CAD
Retailer 4$19,813 CAD
Retailer 9$22,009 CAD
MOH London$23,648 CAD

9 data points across 15 retailers

12 retailers$13,845 CAD to $23,648 CAD

B+
Cheapest Retailer
-
$13,845 CAD
$9,892 USD
B+
Retailer 2
-
$13,974 CAD
$9,984 USD
View
B+
Retailer 3
-
$14,871 CAD
$10,625 USD
View
B+
Retailer 4
-
$15,187 CAD
$10,851 USD
View
B+
Retailer 5
-
$15,289 CAD
View
B+
Retailer 6
-
$16,278 CAD
£9,158 GBP
View
B+
Retailer 7
-
$16,710 CAD
$11,939 USD
View
B
Retailer 8
-
$18,541 CAD
$13,247 USD
View
B
Retailer 9
-
$18,638 CAD
$13,317 USD
View
B+
Retailer 10
-
$18,946 CAD
€12,892 EUR
View
B
Retailer 11
-
$22,009 CAD
ZAR 254,038 ZAR
View
Most Expensive
B
MOH London
01F495AAD · Oct 29
$23,648 CAD
£13,304 GBP
View
11 more retailers have this diamond
Prices start from $13,845 CADSave up to $9,803 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
$13,845 CAD