Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2544995398

Certificate GIA 2544995398

Diamond specifications and retailer prices

From $11,107 CAD
$7,951 USD
As of October 31, 2026
Save $8,898 CAD (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,005 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 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 2544995398. Listed at 21 retailers as of October 27, 2026, with prices from $11,107 to $20,005, a $8,898 spread on the same certified stone. NZ Jewellers lists it at $20,005. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544995398
Dimensions10.95 × 5.92 × 3.84 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.95 mm5.92 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544995398
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.9%

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: Oct 31
Current: $20,005 CAD|Low: $11,107 CAD|High: $20,005 CAD|Avg: $14,037 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 11$11,107 CAD
Retailer 5$11,238 CAD
Retailer 20$11,923 CAD
Retailer 4$12,004 CAD
Retailer 10$12,103 CAD
Retailer 6$12,440 CAD
Retailer 12$12,795 CAD
Retailer 15$13,004 CAD
Retailer 16$13,121 CAD
Retailer 21$13,181 CAD
Retailer 3$13,203 CAD
Retailer 7$13,259 CAD
Retailer 13$13,620 CAD
Retailer 9$14,712 CAD
Retailer 8$14,789 CAD
Retailer 18$15,004 CAD
Retailer 19$15,124 CAD
Retailer 14$15,799 CAD
Retailer 17$17,633 CAD
Retailer 2$18,747 CAD
NZ Jewellers$20,005 CAD

18 data points across 21 retailers

21 retailers$11,107 CAD to $20,005 CAD

B+
Cheapest Retailer
-
$11,107 CAD
$7,951 USD
B+
Retailer 2
-
$11,238 CAD
$8,045 USD
View
B+
Retailer 3
-
$11,923 CAD
$8,535 USD
View
Retailer 4
-
$12,004 CAD
$8,593 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$12,103 CAD
$8,664 USD
View
B
Retailer 6
-
$12,440 CAD
View
B
Retailer 7
-
$12,795 CAD
$9,160 USD
View
B
Retailer 8
-
$13,004 CAD
$9,309 USD
View
B+
Retailer 9
-
$13,121 CAD
£7,396 GBP
View
Retailer 10
-
$13,181 CAD
A$14,517 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$13,203 CAD
$9,452 USD
View
B
Retailer 12
-
$13,259 CAD
$9,492 USD
View
B+
Retailer 13
-
$13,620 CAD
£7,677 GBP
View
B
Retailer 14
-
$14,712 CAD
$10,532 USD
View
B
Retailer 15
-
$14,789 CAD
$10,587 USD
View
B
Retailer 16
-
$15,004 CAD
$10,741 USD
View
B
Retailer 17
-
$15,124 CAD
€10,311 EUR
View
Retailer 18
-
$15,799 CAD
$11,310 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$17,633 CAD
ZAR 203,930 ZAR
View
B
Retailer 20
-
$18,747 CAD
£10,567 GBP
View
Most Expensive
B
NZ Jewellers
b540eeae-3f64-4cdf-8e35-f742a2ceb8b4 · Oct 27
$20,005 CAD
$14,321 USD
View
20 more retailers have this diamond
Prices start from $11,107 CADSave up to $8,898 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
$11,107 CAD