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Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2546552151

Certificate GIA 2546552151

Diamond specifications and retailer prices

From $11,073 CAD
$7,924 USD
As of November 2, 2026
Save $9,565 CAD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,638 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 2546552151. Listed at 18 retailers as of October 30, 2026, with prices from $11,073 to $20,638, a $9,565 spread on the same certified stone. NZ Jewellers lists it at $20,638. 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
SymmetryVery Good
FluorescenceNone
Crown angle38.29°
Pavilion angle41.03°
OriginNatural
Grading LabGIA
CertificateGIA 2546552151
Dimensions11.17 × 5.94 × 3.89 mm
L/W Ratio1.88
Top View
11.17 mm5.94 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546552151
Side View
Table 60.0%Crown 38.29°Girdle: ThickPavilion 41.03°Culet: NoneDepth 65.4%

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: Nov 2
Current: $20,638 CAD|Low: $11,073 CAD|High: $20,638 CAD|Avg: $14,333 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
November 3, 2026
Retailer 4$11,073 CAD
Retailer 11$11,563 CAD
Retailer 3$11,707 CAD
Retailer 8$12,114 CAD
Retailer 14$12,382 CAD
Retailer 16$13,415 CAD
Retailer 13$13,622 CAD
Retailer 2$13,677 CAD
Retailer 9$13,952 CAD
Retailer 7$14,402 CAD
Retailer 6$14,743 CAD
Retailer 15$14,743 CAD
Retailer 5$15,479 CAD
Retailer 10$15,597 CAD
Retailer 12$19,339 CAD
NZ Jewellers$20,638 CAD

34 data points across 16 retailers

18 retailers$11,073 CAD to $20,638 CAD

A
Cheapest Retailer
-
$11,073 CAD
$7,924 USD
A
Retailer 2
-
$11,563 CAD
$8,275 USD
View
B+
Retailer 3
-
$11,704 CAD
A$12,886 AUD
View
A
Retailer 4
-
$11,707 CAD
$8,378 USD
View
B+
Retailer 5
-
$12,114 CAD
View
B+
Retailer 6
-
$12,382 CAD
$8,861 USD
View
Final sale: no returns
B+
Retailer 7
-
$13,415 CAD
$9,600 USD
View
B+
Retailer 8
-
$13,622 CAD
$9,748 USD
View
B+
Retailer 9
-
$13,677 CAD
£7,706 GBP
View
B+
Retailer 10
-
$13,952 CAD
£7,862 GBP
View
B+
Retailer 11
-
$14,402 CAD
$10,306 USD
View
B+
Retailer 12
-
$14,743 CAD
$10,550 USD
View
B+
Retailer 13
-
$14,743 CAD
$10,550 USD
View
B
Retailer 14
-
$15,232 CAD
$10,900 USD
View
B
Retailer 15
-
$15,479 CAD
$11,077 USD
View
B
Retailer 16
-
$15,597 CAD
€10,630 EUR
View
B
Retailer 17
-
$19,339 CAD
£10,897 GBP
View
Most Expensive
B
NZ Jewellers
32220f11-e81f-449d-a18c-95ee5e69bbf1 · Oct 30
$20,638 CAD
$14,769 USD
View
17 more retailers have this diamond
Prices start from $11,073 CADSave up to $9,565 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
$11,073 CAD