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Marquise|Natural|GIA

1.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6545340711

Certificate GIA 6545340711

Diamond specifications and retailer prices

From $11,814 CAD
$8,441 USD
As of October 29, 2026
Save $10,505 CAD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $22,319 CAD at NZ Jewellers · As of October 27, 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 E 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 6545340711. Listed at 18 retailers as of October 27, 2026, with prices from $11,814 to $22,319, a $10,505 spread on the same certified stone. NZ Jewellers lists it at $22,319. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545340711
Dimensions11.06 × 5.88 × 3.92 mm
L/W Ratio1.88
Top View
11.06 mm5.88 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545340711
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

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: Oct 29
Current: $22,319 CAD|Low: $11,668 CAD|High: $22,319 CAD|Avg: $15,310 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
October 30, 2026
Retailer 3$11,814 CAD
Retailer 4$12,750 CAD
Retailer 11$13,391 CAD
Retailer 15$13,391 CAD
Retailer 5$13,506 CAD
Retailer 12$13,627 CAD
Retailer 7$14,282 CAD
Retailer 10$14,508 CAD
Retailer 2$14,660 CAD
Retailer 14$14,731 CAD
Retailer 13$16,739 CAD
Retailer 9$16,846 CAD
Retailer 6$17,624 CAD
Retailer 8$21,028 CAD
NZ Jewellers$22,319 CAD

40 data points across 15 retailers

18 retailers$11,814 CAD to $22,319 CAD

A
Cheapest Retailer
-
$11,814 CAD
$8,441 USD
A
Retailer 2
-
$12,391 CAD
$8,853 USD
View
A
Retailer 3
-
$12,426 CAD
$8,878 USD
View
A
Retailer 4
-
$12,552 CAD
A$13,797 AUD
View
A
Retailer 5
-
$12,750 CAD
$9,110 USD
View
B+
Retailer 6
-
$13,391 CAD
$9,568 USD
View
Final sale: no returns
A
Retailer 7
-
$13,391 CAD
$9,568 USD
View
B+
Retailer 8
-
$13,627 CAD
$9,736 USD
View
B+
Retailer 9
-
$14,282 CAD
$10,204 USD
View
B+
Retailer 10
-
$14,508 CAD
$10,366 USD
View
B+
Retailer 11
-
$14,660 CAD
£8,248 GBP
View
B+
Retailer 12
-
$14,731 CAD
$10,525 USD
View
B+
Retailer 13
-
$16,739 CAD
$11,960 USD
View
Retailer 14
-
$16,739 CAD
$11,960 USD
View
Price last confirmed 20 days ago
B+
Retailer 15
-
$16,846 CAD
€11,463 EUR
View
Retailer 16
-
$17,624 CAD
$12,592 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$21,028 CAD
£11,830 GBP
View
Most Expensive
B
NZ Jewellers
b2489fcf-b846-4fc4-a115-469532cfdb69 · Oct 27
$22,319 CAD
$15,947 USD
View
17 more retailers have this diamond
Prices start from $11,814 CADSave up to $10,505 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
$11,814 CAD