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Marquise|Natural|GIA

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6552470809

Certificate GIA 6552470809

Diamond specifications and retailer prices

From $8,504 CAD
$6,088 USD
As of November 1, 2026
Save $9,861 CAD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,365 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552470809. Listed at 17 retailers as of October 30, 2026, with prices from $8,504 to $18,365, a $9,861 spread on the same certified stone. NZ Jewellers lists it at $18,365. 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
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.95°
Pavilion angle42.18°
OriginNatural
Grading LabGIA
CertificateGIA 6552470809
Dimensions11.17 × 6.10 × 3.80 mm
L/W Ratio1.83
Girdle conditionVery Thick
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural
Top View
11.17 mm6.10 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552470809
Side View
Table 65.0%Crown 34.95°Girdle: STK-VTKPavilion 42.18°Culet: NoneDepth 62.3%

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: $18,365 CAD|Low: $8,675 CAD|High: $18,365 CAD|Avg: $11,473 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
November 2, 2026
Retailer 12$8,675 CAD
Retailer 3$9,122 CAD
Retailer 5$9,182 CAD
Retailer 13$9,259 CAD
Retailer 6$9,947 CAD
Retailer 16$10,101 CAD
Retailer 10$10,266 CAD
Retailer 4$10,496 CAD
Retailer 15$11,008 CAD
Retailer 17$11,008 CAD
Retailer 14$11,371 CAD
Retailer 7$11,478 CAD
Retailer 2$11,995 CAD
Retailer 8$12,097 CAD
Retailer 9$13,090 CAD
Retailer 11$15,303 CAD
NZ Jewellers$18,365 CAD

40 data points across 17 retailers

17 retailers$8,504 CAD to $18,365 CAD

B+
Cheapest Retailer
-
$8,504 CAD
$6,088 USD
B+
Retailer 2
-
$8,675 CAD
$6,210 USD
View
B+
Retailer 3
-
$9,122 CAD
View
B+
Retailer 4
-
$9,182 CAD
$6,573 USD
View
B
Retailer 5
-
$9,259 CAD
$6,628 USD
View
B
Retailer 6
-
$9,947 CAD
$7,121 USD
View
B
Retailer 7
-
$10,101 CAD
$7,231 USD
View
B+
Retailer 8
-
$10,266 CAD
£5,787 GBP
View
B
Retailer 9
-
$10,496 CAD
$7,514 USD
View
B
Retailer 10
-
$11,008 CAD
$7,880 USD
View
B
Retailer 11
-
$11,008 CAD
$7,880 USD
View
B
Retailer 12
-
$11,371 CAD
$8,140 USD
View
B
Retailer 13
-
$11,478 CAD
$8,217 USD
View
B
Retailer 14
-
$11,995 CAD
€8,178 EUR
View
Retailer 15
-
$12,097 CAD
$8,660 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$15,303 CAD
£8,626 GBP
View
Most Expensive
C
NZ Jewellers
59f719e2-1b58-4986-80a0-1449147ab945 · Oct 30
$18,365 CAD
$13,147 USD
View
16 more retailers have this diamond
Prices start from $8,504 CADSave up to $9,861 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+
1.51ct Marquise
$8,504 CAD