Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 5543246564

Certificate GIA 5543246564

Diamond specifications and retailer prices

From $12,336 CAD
$8,831 USD
As of November 1, 2026
Save $9,623 CAD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,959 CAD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543246564. Listed at 16 retailers as of October 30, 2026, with prices from $12,336 to $21,959, a $9,623 spread on the same certified stone. NZ Jewellers lists it at $21,959. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543246564
Dimensions12.38 × 5.80 × 3.59 mm
L/W Ratio2.13
Top View
12.38 mm5.80 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543246564
Side View
Table 61.0%CrownGirdle: Ext. ThickPavilionCulet: NDepth 61.9%

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 1
Current: $21,959 CAD|Low: $13,176 CAD|High: $21,959 CAD|Avg: $16,622 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$13,176 CAD
Retailer 10$14,274 CAD
Retailer 5$14,422 CAD
Retailer 9$14,493 CAD
Retailer 3$14,494 CAD
Retailer 4$14,951 CAD
Retailer 11$16,469 CAD
Retailer 7$16,601 CAD
Retailer 6$19,357 CAD
Retailer 2$20,577 CAD
NZ Jewellers$21,959 CAD

30 data points across 11 retailers

16 retailers$12,336 CAD to $21,959 CAD

B+
Cheapest Retailer
-
$12,336 CAD
$8,831 USD
B+
Retailer 2
-
$12,346 CAD
$8,838 USD
View
B
Retailer 3
-
$13,176 CAD
$9,432 USD
View
B
Retailer 4
-
$13,286 CAD
$9,511 USD
View
B
Retailer 5
-
$14,051 CAD
$10,058 USD
View
B+
Retailer 6
-
$14,274 CAD
$10,218 USD
View
B+
Retailer 7
-
$14,422 CAD
£8,129 GBP
View
B
Retailer 8
-
$14,493 CAD
$10,375 USD
View
Retailer 9
-
$14,494 CAD
A$15,962 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$14,951 CAD
£8,428 GBP
View
B
Retailer 11
-
$16,469 CAD
$11,790 USD
View
B
Retailer 12
-
$16,601 CAD
€11,318 EUR
View
Retailer 13
-
$17,338 CAD
$12,412 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$19,357 CAD
ZAR 223,860 ZAR
View
B
Retailer 15
-
$20,577 CAD
£11,599 GBP
View
Most Expensive
B
NZ Jewellers
d80cf3e7-7dbd-4a31-8e40-ad03c8d18939 · Oct 30
$21,959 CAD
$15,720 USD
View
15 more retailers have this diamond
Prices start from $12,336 CADSave up to $9,623 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
$12,336 CAD