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1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1415840386

Certificate GIA 1415840386

Diamond specifications and retailer prices

From $7,760 CAD
$5,555 USD
As of October 30, 2026
Save $9,139 CAD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,898 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round 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 and certified by GIA 1415840386. Listed at 19 retailers as of October 30, 2026, with prices from $7,760 to $16,898, a $9,139 spread on the same certified stone. NZ Jewellers lists it at $16,898. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1415840386
Dimensions7.35 × 7.34 × 4.49 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.35 mm7.34 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1415840386
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,470 CAD|Low: $7,612 CAD|High: $14,805 CAD|Avg: $9,924 CAD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8$7,669 CAD
Retailer 10$7,760 CAD
Retailer 13$7,982 CAD
Retailer 2$8,448 CAD
Retailer 11$9,011 CAD
Retailer 5$9,154 CAD
Retailer 6$9,624 CAD
Retailer 3$10,044 CAD
Retailer 9$10,044 CAD
Retailer 4$10,379 CAD
Retailer 1$10,470 CAD
Retailer 12$11,135 CAD
Retailer 7$14,157 CAD

41 data points across 13 retailers

19 retailers$7,760 CAD to $16,898 CAD

Retailer 1
-
$7,669 CAD
$5,490 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
$7,760 CAD
$5,555 USD
View
B+
Retailer 3
-
$7,982 CAD
$5,714 USD
View
B
Retailer 4
-
$8,291 CAD
A$9,131 AUD
View
Retailer 5
-
$8,372 CAD
$5,993 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$8,448 CAD
$6,048 USD
View
Final sale: no returns
B
Retailer 7
-
$8,450 CAD
$6,049 USD
View
B
Retailer 8
-
$9,011 CAD
$6,451 USD
View
B
Retailer 9
-
$9,154 CAD
$6,553 USD
View
B
Retailer 10
-
$9,295 CAD
$6,654 USD
View
B
Retailer 11
-
$9,624 CAD
£5,425 GBP
View
B
Retailer 12
-
$10,044 CAD
$7,190 USD
View
B
Retailer 13
-
$10,044 CAD
$7,190 USD
View
B
Retailer 14
-
$10,379 CAD
$7,430 USD
View
B
Retailer 15
-
$10,470 CAD
€7,138 EUR
View
B
Retailer 16
-
$10,562 CAD
$7,561 USD
View
Retailer 17
-
$11,135 CAD
$7,971 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$14,157 CAD
£7,980 GBP
View
Most Expensive
B
NZ Jewellers
a0390c18-3dae-4db9-8e16-bdab1875caac · Oct 30
$16,898 CAD
$12,097 USD
View
18 more retailers have this diamond
Prices start from $7,760 CADSave up to $9,139 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 Round
$7,760 CAD