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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1518584498

Certificate GIA 1518584498

Diamond specifications and retailer prices

From $5,279 CAD
$3,779 USD
As of October 30, 2026
Save $6,694 CAD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,973 CAD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1518584498. Listed at 21 retailers as of October 30, 2026, with prices from $5,279 to $11,973, a $6,694 spread on the same certified stone. NZ Jewellers lists it at $11,973. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1518584498
Dimensions7.32 × 7.35 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Cavity, Crystal, Twinning Wisp, Feather, Etch Channel
Top View
7.32 mm7.35 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518584498
Side View
Table 59.0%Crown 34°Girdle: STK-MEDPavilion 41.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $11,973 CAD|Low: $5,081 CAD|High: $11,973 CAD|Avg: $7,313 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
Retailer 18
October 30, 2026
Retailer 18$5,279 CAD
Retailer 14$5,314 CAD
Retailer 9$5,427 CAD
Retailer 4$5,747 CAD
Retailer 16$5,895 CAD
Retailer 3$6,226 CAD
Retailer 15$6,226 CAD
Retailer 17$6,226 CAD
Retailer 2$6,790 CAD
Retailer 10$7,075 CAD
Retailer 6$7,110 CAD
Retailer 7$7,183 CAD
Retailer 11$7,360 CAD
Retailer 8$7,588 CAD
Retailer 5$7,611 CAD
Retailer 13$8,368 CAD
Retailer 12$11,005 CAD
NZ Jewellers$11,973 CAD

33 data points across 18 retailers

21 retailers$5,279 CAD to $11,973 CAD

A
Cheapest Retailer
-
$5,279 CAD
$3,779 USD
A
Retailer 2
-
$5,314 CAD
$3,804 USD
View
A
Retailer 3
-
$5,427 CAD
$3,885 USD
View
B+
Retailer 4
-
$5,747 CAD
$4,114 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,895 CAD
$4,220 USD
View
B+
Retailer 6
-
$6,226 CAD
$4,457 USD
View
B+
Retailer 7
-
$6,226 CAD
$4,457 USD
View
B+
Retailer 8
-
$6,226 CAD
$4,457 USD
View
B+
Retailer 9
-
$6,790 CAD
£3,827 GBP
View
Retailer 10
-
$7,075 CAD
A$7,792 AUD
View
Price last confirmed 21 days ago
B
Retailer 11
-
$7,110 CAD
$5,090 USD
View
B
Retailer 12
-
$7,138 CAD
$5,110 USD
View
B
Retailer 13
-
$7,138 CAD
$5,110 USD
View
B
Retailer 14
-
$7,183 CAD
$5,142 USD
View
B
Retailer 15
-
$7,360 CAD
€5,018 EUR
View
B
Retailer 16
-
$7,376 CAD
$5,280 USD
View
Retailer 17
-
$7,588 CAD
$5,432 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$7,611 CAD
£4,290 GBP
View
B
Retailer 19
-
$8,368 CAD
ZAR 96,778 ZAR
View
B
Retailer 20
-
$11,005 CAD
£6,203 GBP
View
Most Expensive
B
NZ Jewellers
7d3e9e2f-ec09-4aa1-a4fa-42166dbd9827 · Oct 30
$11,973 CAD
$8,571 USD
View
20 more retailers have this diamond
Prices start from $5,279 CADSave up to $6,694 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
1.50ct Round
$5,279 CAD