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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 2556989894

Certificate GIA 2556989894

Diamond specifications and retailer prices

From $9,823 CAD
£5,526 GBP
As of October 29, 2026
Save $9,138 CAD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $18,960 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 2556989894. Listed at 9 retailers as of October 27, 2026, with prices from $9,823 to $18,960, a $9,138 spread on the same certified stone. NZ Jewellers lists it at $18,960. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle41.77°
Pavilion angle40.99°
OriginNatural
Grading LabGIA
CertificateGIA 2556989894
Dimensions10.49 × 5.87 × 4.02 mm
L/W Ratio1.79
Girdle conditionExtremely Thick
Key to symbols
Crystal, Needle, Indented Natural, Natural
Top View
10.49 mm5.87 mm1.50 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2556989894
Side View
Table 56.0%Crown 41.77°Girdle: MED-ETKPavilion 40.99°Culet: NoneDepth 68.5%

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: Oct 29
Current: $18,960 CAD|Low: $9,794 CAD|High: $20,042 CAD|Avg: $13,098 CAD|-5.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2$9,823 CAD
Retailer 8$10,147 CAD
Retailer 7$10,273 CAD
Retailer 5$10,668 CAD
Retailer 9$11,172 CAD
Retailer 4$11,335 CAD
Retailer 3$11,510 CAD
Retailer 6$15,884 CAD
NZ Jewellers$18,960 CAD

38 data points across 9 retailers

9 retailers$9,823 CAD to $18,960 CAD

A
Cheapest Retailer
-
$9,823 CAD
£5,526 GBP
A
Retailer 2
-
$10,147 CAD
$7,250 USD
View
A
Retailer 3
-
$10,273 CAD
$7,340 USD
View
A
Retailer 4
-
$10,668 CAD
£6,002 GBP
View
A
Retailer 5
-
$11,172 CAD
A$12,281 AUD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$11,335 CAD
$8,099 USD
View
A
Retailer 7
-
$11,510 CAD
$8,224 USD
View
B+
Retailer 8
-
$15,884 CAD
£8,936 GBP
View
Most Expensive
B
NZ Jewellers
29e4c08f-86f9-410e-ae17-cd1c8a797e97 · Oct 27
$18,960 CAD
$13,547 USD
View
8 more retailers have this diamond
Prices start from $9,823 CADSave up to $9,138 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
$9,823 CAD