Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1557914895

Certificate GIA 1557914895

Diamond specifications and retailer prices

From $11,751 CAD
$8,409 USD
As of November 1, 2026
Save $9,523 CAD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $21,274 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1557914895. Listed at 14 retailers as of October 30, 2026, with prices from $11,751 to $21,274, a $9,523 spread on the same certified stone. NZ Jewellers lists it at $21,274. 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

1.51
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.11°
OriginNatural
Grading LabGIA
CertificateGIA 1557914895
Dimensions11.38 × 5.99 × 3.79 mm
L/W Ratio1.90
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
11.38 mm5.99 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1557914895
Side View
Table 56.0%CrownGirdle: THK-VTKPavilion 40.11°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,274 CAD|Low: $10,911 CAD|High: $21,537 CAD|Avg: $14,702 CAD|-1.2%
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
November 2, 2026
Retailer 4$10,911 CAD
Retailer 9$11,751 CAD
Retailer 5$12,070 CAD
Retailer 14$12,609 CAD
Retailer 10$12,660 CAD
Retailer 12$13,829 CAD
Retailer 6$13,995 CAD
Retailer 8$14,041 CAD
Retailer 3$15,413 CAD
Retailer 13$15,413 CAD
Retailer 2$15,734 CAD
Retailer 11$15,930 CAD
Retailer 7$19,935 CAD
NZ Jewellers$21,274 CAD

28 data points across 14 retailers

14 retailers$11,751 CAD to $21,274 CAD

Retailer 1
-
$10,911 CAD
HK$61,000 HKD
Price last confirmed 46 days ago
A
Retailer 2
-
$11,751 CAD
$8,409 USD
View
B+
Retailer 3
-
$12,279 CAD
A$13,518 AUD
View
B+
Retailer 4
-
$12,609 CAD
$9,023 USD
View
Final sale: no returns
B+
Retailer 5
-
$12,660 CAD
$9,060 USD
View
B+
Retailer 6
-
$13,829 CAD
$9,896 USD
View
B+
Retailer 7
-
$13,995 CAD
A$15,408 AUD
View
B+
Retailer 8
-
$14,041 CAD
$10,048 USD
View
B
Retailer 9
-
$15,413 CAD
$11,030 USD
View
B
Retailer 10
-
$15,413 CAD
$11,030 USD
View
B
Retailer 11
-
$15,734 CAD
€10,723 EUR
View
B+
Retailer 12
-
$15,930 CAD
$11,400 USD
View
B
Retailer 13
-
$19,935 CAD
£11,233 GBP
View
Most Expensive
B
NZ Jewellers
6332d3ed-82a0-4266-a848-855a4ef875d4 · Oct 30
$21,274 CAD
$15,224 USD
View
13 more retailers have this diamond
Prices start from $11,751 CADSave up to $9,523 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
1.51ct Marquise
$11,751 CAD