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Marquise|Natural|GIA

1.51ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2566364425

Certificate GIA 2566364425

Diamond specifications and retailer prices

From $9,281 CAD
₹632,523 INR
As of November 2, 2026
Save $11,385 CAD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,666 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566364425. Listed at 21 retailers as of October 30, 2026, with prices from $9,281 to $20,666, a $11,385 spread on the same certified stone. NZ Jewellers lists it at $20,666. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566364425
Dimensions11.56 × 6.06 × 3.74 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
11.56 mm6.06 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566364425
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.7%

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 2
Current: $20,666 CAD|Low: $9,281 CAD|High: $20,996 CAD|Avg: $12,238 CAD|-1.6%
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 2, 2026
Retailer 2$9,281 CAD
Retailer 17$9,548 CAD
Retailer 7$9,887 CAD
Retailer 9$10,455 CAD
Retailer 10$10,679 CAD
Retailer 16$10,834 CAD
Retailer 15$11,263 CAD
Retailer 8$11,389 CAD
Retailer 3$11,406 CAD
Retailer 19$11,425 CAD
Retailer 14$11,905 CAD
Retailer 21$11,925 CAD
Retailer 12$12,081 CAD
Retailer 18$12,286 CAD
Retailer 5$12,356 CAD
Retailer 4$12,546 CAD
Retailer 20$12,626 CAD
Retailer 13$12,692 CAD
Retailer 11$14,371 CAD
Retailer 6$17,312 CAD
NZ Jewellers$20,666 CAD

12 data points across 21 retailers

21 retailers$9,281 CAD to $20,666 CAD

B+
Cheapest Retailer
-
$9,281 CAD
₹632,523 INR
B+
Retailer 2
-
$9,548 CAD
A$10,512 AUD
View
B+
Retailer 3
-
$9,887 CAD
$7,075 USD
View
Final sale: no returns
B+
Retailer 4
-
$10,455 CAD
$7,482 USD
View
B+
Retailer 5
-
$10,679 CAD
$7,642 USD
View
B+
Retailer 6
-
$10,834 CAD
$7,753 USD
View
B
Retailer 7
-
$11,263 CAD
$8,060 USD
View
B
Retailer 8
-
$11,389 CAD
$8,150 USD
View
B
Retailer 9
-
$11,406 CAD
$8,162 USD
View
B
Retailer 10
-
$11,425 CAD
£6,438 GBP
View
Retailer 11
-
$11,905 CAD
A$13,107 AUD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$11,925 CAD
£6,719 GBP
View
Retailer 13
-
$12,081 CAD
$8,645 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$12,286 CAD
$8,792 USD
View
B
Retailer 15
-
$12,356 CAD
$8,842 USD
View
B
Retailer 16
-
$12,546 CAD
$8,978 USD
View
B
Retailer 17
-
$12,626 CAD
$9,035 USD
View
B
Retailer 18
-
$12,692 CAD
€8,650 EUR
View
B
Retailer 19
-
$14,371 CAD
$10,284 USD
View
B
Retailer 20
-
$17,312 CAD
£9,755 GBP
View
Most Expensive
B
NZ Jewellers
6bb1fa8d-6ca7-4383-a961-5087c68daff0 · Oct 30
$20,666 CAD
$14,789 USD
View
20 more retailers have this diamond
Prices start from $9,281 CADSave up to $11,385 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
$9,281 CAD