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Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1515100506

Certificate GIA 1515100506

Diamond specifications and retailer prices

From $6,885 CAD
As of November 1, 2026
Save $8,162 CAD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,047 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 1515100506. Listed at 18 retailers as of November 1, 2026, with prices from $6,885 to $15,047, a $8,162 spread on the same certified stone. NZ Jewellers lists it at $15,047. 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

1.50
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1515100506
Dimensions7.27 × 7.24 × 4.51 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather, Crystal, Indented Natural, Cavity, Cloud, Needle, Natural
Top View
7.27 mm7.24 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515100506
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: $15,047 CAD|Low: $6,269 CAD|High: $15,047 CAD|Avg: $9,967 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$6,885 CAD
Retailer 6$7,287 CAD
Retailer 8$7,523 CAD
Retailer 9$8,151 CAD
Retailer 3$8,438 CAD
Retailer 4$9,754 CAD
Retailer 2$11,578 CAD
Retailer 5$13,254 CAD
NZ Jewellers$15,047 CAD

42 data points across 9 retailers

18 retailers$6,885 CAD to $15,047 CAD

B+
Cheapest Retailer
-
$6,885 CAD
B+
Retailer 2
-
$7,107 CAD
View
B
Retailer 3
-
$7,287 CAD
View
B
Retailer 4
-
$7,523 CAD
View
Final sale: no returns
B
Retailer 5
-
$7,586 CAD
View
Retailer 6
-
$8,151 CAD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$8,151 CAD
View
B
Retailer 8
-
$8,151 CAD
View
B+
Retailer 9
-
$8,438 CAD
View
B
Retailer 10
-
$9,092 CAD
View
B
Retailer 11
-
$9,092 CAD
View
B
Retailer 12
-
$9,399 CAD
View
B
Retailer 13
-
$9,405 CAD
View
B
Retailer 14
-
$9,754 CAD
View
Retailer 15
-
$9,919 CAD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$11,578 CAD
View
B
Retailer 17
-
$13,254 CAD
View
Most Expensive
B
NZ Jewellers
906b3ef9-9193-40ff-b4d3-cb703e82cc8f · Nov 5
$15,047 CAD
$10,774 USD
View
17 more retailers have this diamond
Prices start from $6,885 CADSave up to $8,162 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+
1.50ct Round
$6,885 CAD