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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1565093496

Certificate GIA 1565093496

Diamond specifications and retailer prices

From $14,854 CAD
A$16,328 AUD
As of October 29, 2026
Save $14,072 CAD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $28,926 CAD at NZ Jewellers · As of October 27, 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 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 1565093496. Listed at 14 retailers as of October 27, 2026, with prices from $14,854 to $28,926, a $14,072 spread on the same certified stone. NZ Jewellers lists it at $28,926. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565093496
Dimensions11.96 × 5.87 × 3.77 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle
Top View
11.96 mm5.87 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565093496
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.3%

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: $28,926 CAD|Low: $16,646 CAD|High: $28,926 CAD|Avg: $21,238 CAD
NZ Jewellers
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 29, 2026
Retailer 7$16,646 CAD
Retailer 13$17,775 CAD
Retailer 6$18,244 CAD
Retailer 12$18,359 CAD
Retailer 14$18,818 CAD
Retailer 11$18,897 CAD
Retailer 2$19,530 CAD
Retailer 15$20,434 CAD
Retailer 4$20,753 CAD
Retailer 5$21,269 CAD
Retailer 3$21,551 CAD
Retailer 9$21,834 CAD
Retailer 10$25,362 CAD
Retailer 8$27,249 CAD
NZ Jewellers$28,926 CAD

35 data points across 15 retailers

14 retailers$14,854 CAD to $28,926 CAD

B+
Cheapest Retailer
-
$14,854 CAD
A$16,328 AUD
B+
Retailer 2
-
$17,775 CAD
$12,700 USD
View
B
Retailer 3
-
$18,359 CAD
$13,117 USD
View
Final sale: no returns
B+
Retailer 4
-
$18,818 CAD
$13,445 USD
View
B+
Retailer 5
-
$18,897 CAD
A$20,772 AUD
View
B+
Retailer 6
-
$19,530 CAD
£10,988 GBP
View
B
Retailer 7
-
$20,434 CAD
$14,600 USD
View
B
Retailer 8
-
$20,753 CAD
$14,828 USD
View
B
Retailer 9
-
$21,269 CAD
$15,197 USD
View
B
Retailer 10
-
$21,551 CAD
$15,398 USD
View
B
Retailer 11
-
$21,834 CAD
€14,857 EUR
View
B
Retailer 12
-
$25,362 CAD
ZAR 292,739 ZAR
View
B
Retailer 13
-
$27,249 CAD
£15,330 GBP
View
Most Expensive
B
NZ Jewellers
3f3dd080-c26f-48cc-ae1d-bfa37b6cd508 · Oct 27
$28,926 CAD
$20,667 USD
View
13 more retailers have this diamond
Prices start from $14,854 CADSave up to $14,072 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
$14,854 CAD